Travel Vaccine Breaking News

Travel vaccine breaking news brought to you by Vax Before Travel.

Jan 13, 2023 • 1:11 am CST
by LJ Nova Scotia

An innovative dual-action cell therapy engineered to eliminate tumors, train the immune system to eradicate primary tumors, and prevent cancer recurrence is progressing.

Cancer vaccines are an active area of research for many labs, but this new approach is distinct.

Scientists in Boston are now harnessing a new way to turn cancer cells into potent, anti-cancer agents.

In the latest work led by Khalid Shah, MS, Ph.D. at Brigham and Women's Hospital, investigators have developed a new cell therapy approach to eliminate established tumors and induce long-term immunity, training the immune system to prevent cancer from recurring.

The team recently announced their dual-action, cancer-killing vaccine candidate in an advanced mouse model of the deadly brain cancer glioblastoma, with promising results.

"Our team has pursued a simple idea: to take cancer cells and transform them into cancer killers and vaccines," said the study's corresponding author Khalid Shah, MS, Ph.D., director of the Center for Stem Cell and Translational Immunotherapy (CSTI) and the vice chair of research in the Department of Neurosurgery at the Brigham and faculty at Harvard Medical School and Harvard Stem Cell Institute (HSCI), in a press release on January 4, 2023.

"Using gene engineering, we are repurposing cancer cells to develop a therapeutic that kills tumor cells and stimulates the immune system to destroy primary tumors and prevent cancer."

Instead of using inactivated tumor cells, the team repurposes living tumor cells, which possess an unusual feature.

Like homing pigeons returning to roost, living tumor cells will travel long distances across the brain to return to the site of their fellow tumor cells. Taking advantage of this unique property, Shah's team engineered living tumor cells using the gene-editing tool CRISPR-Cas9 and repurposed them to release tumor cell-killing agents.

In addition, the engineered tumor cells were designed to express factors that would make them easy for the immune system to spot, tag, and remember, priming the immune system for a long-term anti-tumor response.

The team tested their repurposed CRISPR-enhanced and reverse-engineered therapeutic tumor cells (ThTC) in different mice strains.

Shah's team also built a two-layered safety switch into the cancer cell, which, when activated, eradicates ThTCs if needed.

This dual-action cell therapy was found safe, applicable, and efficacious in these models, suggesting a roadmap toward therapy.

While further testing and development are needed, Shah's team specifically chose this model and used human cells to smooth the path of translating their findings for patient settings.

"Throughout all of the work that we do in the Center, even when it is highly technical, we never lose sight of the patient," added Shah.

"Our goal is to take an innovative but translatable approach to develop a therapeutic, cancer-killing vaccine that ultimately will have a lasting impact in medicine."

Shah and colleagues note that this therapeutic strategy applies to a broader range of solid tumors and that further investigations of its applications are warranted.

The study's findings are published in Science Translational Medicine on Jan. 4, 2023. Disclosures: Shah owns equity in and is a member of the Board of Directors of AMASA Therapeutics, a company developing stem cell-based therapies for cancer. This work was supported by the U.S. NIH (grant R01-NS121096).

Jan 13, 2023 • 12:51 am CST
U.S. CDC flu season

According to recent data published by the U.S. Centers for Disease Control and Prevention (CDC), influenza vaccine distribution in the United States (U.S.) is approaching a similar amount compared to the last flu season.

Private manufacturers produce flu vaccines in the U.S., so yearly supply depends on manufacturer production. 

As of December 31, 2022, the CDC confirmed 170.71 million influenza vaccines had been distributed.

During the 2021-2022 season, flu activity began to increase in November and remained elevated until mid-June, with two waves of influenza A(H3N2) virus activity occurring; the first peaked in late December 2021 and the second in April 2022.

Last flu season, vaccine manufacturers distributed 179.4 million doses of flu vaccine to the U.S. market as of February 25, 2022.

For the 2020-2021 flu season, 193.8 million doses were distributed in the U.S. as of February 26, 2021, the highest number of doses in a single flu season. 

As each flu season ends, the CDC and vaccine producers update their vaccine offerings for the next season, highlighted at this link.

The CDC says getting an annual flu vaccine is the best way to protect yourself and your loved ones from influenza.

Flu vaccination is essential if you are at a higher risk of developing severe complications. When you get vaccinated, you reduce your risk of getting sick and possibly being hospitalized or dying from influenza.

Jan 12, 2023 • 5:25 pm CST
by Nitsa Trabelsi

The U.S. Centers for Disease Control and Prevention (CDC) announced it joins the Republic of Uganda and the global public health community in marking the end of the Sudan Ebolavirus outbreak in Uganda.

Forty-two days, or two incubation periods, have passed since the last case of Sudan Ebola was reported in 2022, marking the official end of the fifth outbreak in Uganda, which had started in September.

In addition, the CDC confirmed entry screening and public health monitoring of travelers to the United States who have been in Uganda in the last 21 days would end on January 11, 2023.

The U.K. also launched airport screening for Ebola in November 2022.

“I commend the Government of Uganda, local health workers, and global public health partners who worked to end the country’s Ebola outbreak,” said CDC Director Rochelle P. Walensky, M.D., M.P.H., in a press release.

“I also want to thank the CDC staff on the front lines in Uganda and worldwide who worked countless hours to accelerate an end to the outbreak.”

The CDC confirmed it would continue supporting the Ugandan Ministry of Health in Ebola surveillance, infection prevention and control, and response activities to help ensure rapid detection and response to future cases and outbreaks.

Jan 12, 2023 • 2:16 pm CST
by Wolfgang Eckert

The American Cancer Society (ACS) today released Cancer Statistics, 2023, the organization's annual report on cancer facts and trends.

According to the new ACS report, overall cancer mortality has dropped 33% since 1991, averting an estimated 3.8 million cancer deaths.

Based on ACS data, in 2023, there are projected to be 1,958,310 new cancer cases and 609,820 cancer deaths in the U.S.

Prostate cancer, which is the second leading cause of cancer death for men in the U.S., increased by 3% per year from 2014 through 2019 after two decades of decline.

Most concerning is that the diagnosis of advanced disease drove this increase.

Since 2011, the diagnosis of advanced-stage (regional- or distant-stage) prostate cancer has increased by 4% to 5% annually, and the proportion of men diagnosed with the distant-stage disease has doubled.

These findings underscore the importance of understanding and reducing this trend.

"The increasing percentage of men presenting with advanced prostate cancer, which is much more difficult to treat and often incurable, is highly discouraging," said Dr. Karen E. Knudsen, chief executive officer at the ACS, in a press release on January 12, 2023.

"In order to end cancer as we know it, for everyone, it is imperative for us to focus on cancers where trends for incidence and mortality are going in the wrong direction." 

These major findings were published today in CA: A Cancer Journal for Clinicians, alongside its consumer-friendly companion, Cancer Facts & Figures 2023, available at https://www.cancer.org/research/cancer-facts-statistics.html.

Jan 12, 2023 • 11:19 am CST
by David Mark

The Ecuadoran Ministry of Public Health recently announced a nine-year-old girl in the province of Bolivar had been infected with the A-H5 strain of avian influenza after direct contact with infected birds.

This is Ecuador's first human infected with the avian flu strain, as reported by Xinhua on January 11, 2023. "So far, no other (bird flu) cases of human infection have been recorded since an outbreak began in 2022," said the ministry.

Globally, six other human influenza A H5N1 2.3.4.4b infections had been reported in China, Vietnam, the U.K., Spain (2), and Colorado during 2022-2023.  

The Pan American Health Organization/WHO recommended on December 3, 2022, that the Member States strengthen coordination between sectors involved in alerting and responding to zoonotic events and implement the necessary measures to contain emerging pathogens that may put public health at risk. 

Previously, South American countries, such as Belize, Columbia, Mexico, Peru, and Venezuela, confirmed bird flu cases in 2022.

In the U.S., the United States Department of Agriculture's Animal and Plant Health Inspection Service stated the Eurasian H5N1 strain first appeared in North America in January 2022, affecting 47 states, leading to the loss of over 57.8 million birds as of January 11, 2023.

Jan 12, 2023 • 8:50 am CST
by Manuel Alvarez

Health Canada recently approved Enhertu™ for treating adult patients with unresectable or metastatic HER2-low (IHC 1+ or IHC 2+/ISH-) breast cancer who have received at least one prior line of chemotherapy in the metastatic setting or developed disease recurrence during or within six months of completing adjuvant chemotherapy.

Patients with hormone receptor-positive (HR+) breast cancer should have received at least one and be no longer considered eligible for endocrine therapy.1 

Enhertu (trastuzumab deruxtecan) is a specifically engineered HER2-directed antibody-drug conjugate (ADC) jointly developed and commercialized by Daiichi Sankyo and AstraZeneca.

The approval by Health Canada on January 6, 2023, was based on the DESTINY-Breast04 Phase III trial results.

"Since the approval of HER2-targeted therapies in breast cancer more than twenty years ago, only patients with HER2-positive disease have been eligible for these therapies – leaving those with tumors with lower levels of HER2 expression with limited effective treatment options," said Dr. Jan-Willem Henning, Medical Oncologist, Tom Baker Cancer Centre, and Clinical Associate Professor, Cumming School of Medicine, University of Calgary, in a press release on January 12, 2023.

"The recent Health Canada approval of Enhertu in the HER2-low patient population is a significant milestone in the treatment of metastatic breast cancer and is the first anti-HER2 molecule to demonstrate efficacy outside of traditional HER2-positive breast cancer.

"Based on the promising data from the DESTINY-Breast04 trial, we're now able to differentiate levels of HER2 expression to redefine how we classify and treat metastatic breast cancer, providing additional patients with the opportunity to benefit from HER2-directed therapy."

In Canada, 10% of newly diagnosed breast cancers are metastatic; for those initially diagnosed with early-stage breast cancer, approximately 30% will progress to metastatic disease.

HER2 expression is currently defined as either positive or negative and is determined by an IHC test which estimates the amount of HER2 protein on a cancer cell, and/or an ISH test, which counts the copies of the HER2 gene in cancer cells.

However, approximately half of all breast cancers are HER2-low, and previously these patients had limited effective treatment options following progression on endocrine (hormone) therapy.

Health Canada reviewed and approved Enhertu for this indication under the Priority Review and Project Orbis FDA collaboration pathways seven months from filing, enabling the timely availability to bring this new treatment option to HER2-low breast cancer patients as quickly as possible.

Note: ENHERTU is U.S. FDA-approved for treating several types of cancer.

Jan 11, 2023 • 3:38 pm CST
by BobSpicer

Situated in the Caribbean Sea, Grand Cayman is the westernmost of the three Cayman Islands. According to residents, three is a magic number.

When two is few and four is much, three islands are always just right, is a local saying.

And based on recent announcements, the U.S., Canadian, and U.K. governments agree with that saying.

For example, on January 10, 2023, the U.S. Department of State issued a low-level travel advisory for the Cayman Islands.

And if U.S. citizens need assistance, they must visit the U.S. Embassy in Kingston, Jamaica.

As the Cayman Islands is a British Overseas Territory, the U.K.'s Foreign Travel Advice recently confirmed there are no government requirements or limits on public gatherings in the Cayman Islands.

Since there's no formal British diplomatic or consular representation, local authorities deal with all requests for emergency assistance.

From a health perspective, the U.S. Centers for Disease Control and Prevention confirmed in November 2022 there are no health notices currently in effect for the Cayman Islands.

Furthermore, all vaccinated and unvaccinated visitors have been permitted to enter the Cayman Islands without additional documents since August 2022.

Travelers are not required to:

  • Apply for a Travel Declaration
  • Present a negative COVID-19 test
  • Show proof of vaccination
  • Wear masks

The Cayman Islands is conveniently about one hour flight south of Florida and is easily accessible via nonstop service from most travel hubs in the U.S., Canada, and the U.K.

George Town is the capital city, helping thousands of visitors enjoy their vacation. Besides seasonal hurricanes, the Cayman Islands is the place to relax in 2023.

Disclosures: This article is not paid content. 

Jan 11, 2023 • 1:30 pm CST
U.S. TSA airport screening

According to today's announcements, World Health Organization (WHO) and European Centre for Disease Prevention and Control (ECDC) officials again recommend airline travelers wear face masks while flying.

During a media briefing, Catherine Smallwood, WHO senior emergency officer for Europe, stated, "Passengers should be advised to wear masks in high-risk settings such as long-haul flights."

"This should be a recommendation issued to arriving passengers where there is widespread COVID-19 transmission."

The ECDC reported today the following recommendations apply with immediate effect for flights arriving in the EU from China: 

  • pre-departure testing for passengers on direct and indirect flights,  
  • wearing of medical face masks or respirators on board the aircraft for both passengers and crew,
  • enhanced cleaning and disinfection of aircraft serving these routes,
  • wherever possible, the vaccination status of crew members should be considered before assignment for duty,
  • random testing may also be carried out on a sample of arriving passengers,
  • wastewater should be monitored at airports with international flights and aircraft arriving from China to monitor the level of infection and detect any new variants.

These ECDC measures were defined in a way that should not introduce any flight delays or compromise flight safety. 

While there is ample debate on the value of wearing face masks in the open air, numerous studies support mask-use when in closed settings, such as an airplane.

And the WHO Director-General's remarks at the media briefing on January 11, 2023, included, "And we continue to call on all people to take appropriate precautions when necessary to protect yourself and others."

"You may not die with this disease (COVID-19), but you could give it to someone else who does."

Globally, nearly 2.9 million new COVID-19 cases and over 11,000 related fatalities were reported for the week ending January 8, 2023.

However, the data represents a reduction in weekly cases and fatalities of 9% and 12%, respectively, reported the WHO today.

Jan 11, 2023 • 12:26 pm CST
U.S. FDA vaccine committee digital meeting

The U.S. Food and Drug Administration (FDA) has scheduled a Vaccines and Related Biological Products Advisory Committee (VRBPAC) meeting for January 26, 2023.

This digital meeting will start at 8:30 AM and is open to the public via YouTube https://youtu.be/ZjULNuSYfd0.

FDA confirmed it intends to make background material available to the public no later than two business days before the meeting. In addition, materials for this meeting will be available on the VRBPAC main webpage.

Furthermore, interested persons may present data, information, or views, orally or in writing, on issues pending before the Committee using this docket number: FDA-2022-N-2810.

Comments received on or before January 18, 2023, will be provided to the VRBPAC. Comments received after January 18, 2023, and by January 25, 2023, will be considered by the FDA. 

Additional meeting information is available on this FDA webpage.

The VRBPAC reviews and evaluates data concerning the safety, effectiveness, and appropriate use of vaccines and related biological products intended to prevent, treat, or diagnose human diseases.

And, as required, any other products for which the FDA has regulatory responsibility.

The Committee also considers the quality and relevance of the FDA's research program, which provides scientific support for regulating these products and makes appropriate recommendations to the Commissioner of the FDA.

Jan 11, 2023 • 11:53 am CST
WHO Situation Update Edition 125 Jan. 11, 2023

The World Health Organization (WHO today issued a Rapid Risk assessment regarding the XBB.1.5 coronavirus variant. The XBB.1.5 variant is a sublineage of XBB, which is a recombinant of two BA.2 sublineages.

Based on its genetic characteristics and early growth rate estimates, XBB.1.5 may contribute to increases in case incidence.

As of January 11, 2023, the WHO stated in a media release that the overall confidence in the assessment is low, as growth advantage estimates are only from one country, the United States of America (USA).

From October 22, 2022, to January 11, 2023, 5,288 sequences of the Omicron XBB.1.5 variant have been reported from 38 countries.

Most of these sequences are from the USA (82.2%), the United Kingdom (8.1%), and Denmark (2.2%).

Globally, nearly 2.9 million new COVID-19 cases and over 11,000 related fatalities were reported for the week ending January 8, 2023.

This Edition 125 data represents a reduction in weekly cases and deaths of 9% and 12%, respectively, reported the WHO on January 11, 2023.

Jan 11, 2023 • 11:29 am CST
by Torsten Simon

The U.S. Federal Aviation Administration (FAA) today announced at 0850 EST that normal air traffic operations are resuming gradually across the United States following an overnight outage to the FAA’s Notice to Air Missions (NOTAM) system.

The NOTAM provides safety information to flight crews when flying in the U.S.

Before commencing a flight, pilots are required to consult NOTAMs, which list potential adverse impacts on flights, from runway construction to the potential for icing. 

Furthermore, the FAA is in the process of modernizing the NOTAM system to improve the delivery of safety-critical information to aviation stakeholders.

Earlier on January 11, 2023, the FAA confirmed departures were resuming at Newark Liberty and Atlanta Hartsfield-Jackson airports due to air traffic congestion in those areas.

The AP reported about 21,000 flights were scheduled for departure today.

Jan 11, 2023 • 10:41 am CST
J.P. Morgan Healthcare Conference 2023

Regeneron Pharmaceuticals, Inc. discretely revealed its intentions to expand its Anti-SARS-CoV-2 Monoclonal Antibody offerings at the J.P. Morgan Healthcare Conference on January 9, 2023.

Regeneron's presentation stated that in the U.S. alone, millions of immuno-compromised people will not adequately respond to vaccination.

And antibodies can be dosed prophylactically to prevent infection and severe COVID-19 disease.

On slide #27, the Company stated its 'Next-gen COVID antibody binds outside variable RBD and has demonstrated high neutralization activity against all known variants and lineages and disclosed it anticipates initiating the REGN14287 phase 3 clinical trial in 2023, pending regulatory discussions.

The NCT04425629 study was last updated on July 29, 2022.

Previously Regeneron's first-generation REGEN-COV monoclonal antibody combination (casirivimab and imdevimab) is U.S. Food and Drug Administration-approved and was a market leader in the U.S.

The U.S. NIH stated on December 1, 2022, vaccination remains the most effective way to prevent SARS-CoV-2 infection and should be considered the first line of prevention.

Jan 10, 2023 • 12:11 pm CST
by Markus Winkler from Pixabay

There are several new scientific developments regarding COVID-19 that might be useful to you for navigating the pandemic, wrote Katelyn Jetelina, Ph.D., an epidemiologist trying to make sense of this pandemic world.

All stem from different COVID-19 "story threads" I've written before. So, a quick round-up was posted by Jetelina at this substack link.

Separately, the U.S. CDC's Data Tracker publishes various information that is perpetually updated.

And the WHO publishes weekly epidemiological updates (Jan. 4, 2023) on the ongoing COVID-19 pandemic.

Jan 10, 2023 • 4:52 am CST

The City of Columbus, Ohio, reported yesterday new data regarding the measles outbreak in children that was initially identified in June 2022.

As of January 9, 2023, there have been 82 measles confirmations and 33 related hospitalizations.

About 75% of these children were unvaccinated before being infected with the measles virus.

Columbus's Health Commissioner, Dr. Mysheika W. Roberts, recently stated, "The end of an outbreak isn't declared until 42 days after the last infected person develops a rash."

"If you are interested in scheduling your child's MMR vaccine, you can contact your local healthcare provider or reach out to the Ohio Department of Health," reported SpectumNews1.

Measles is a vaccine-preventable disease, says the U.S. Centers for Disease Control and Prevention (CDC).

Additionally, since many measles cases are travel-related, the CDC suggests being fully immunized before traveling abroad, as several countries, such as India, have reported outbreaks in 2023.

In the U.S., measles vaccines are generally available at clinics and pharmacies.

Jan 10, 2023 • 4:41 am CST
by Els Cools

Genexine Inc. recently announced updated results following the completion of its Phase 2 clinical study using GX-188E, its first-in-class proprietary DNA vaccine, in combination with KEYTRUDA® in 65 patients with HPV 16- and/or HPV 18- positive recurrent or metastatic advanced cervical cancer.

GX-188E is a therapeutic DNA vaccine that encodes the E6/E7 fusion protein of HPV subtypes 16 and 18 and is administered intramuscularly by electroporation.

On January 8, 2023, Genexine disclosed the final efficacy analysis of a phase 1/2 clinical trial showed an Objective Response Rate of 35% (21 of 60 patients), indicating that of the 60 patients with advanced cervical cancer, 21 patients saw either over 30% reduction in tumor size or complete remission.

Furthermore, cancer patients with a CPS<1 showed a response rate of 29.2%, while those with a CPS≥1 showed a response rate of 38.9%.

With a disease control rate of 57.0%, this combination therapy was effective in more than half of the patients.

The overall survival was 16.7 months which compares favorably to other agents that have been granted accelerated approval by U.S. Food and Drug Administration in 2nd line cervical cancer treatment.

Neil Warma, President and CEO of Genexine, commented in a press release on January 8, 2023, "... the results ... reinforce our belief that GX-188E could open up new treatment opportunities to all cervical cancer patients, especially PD-L1 negative patients who currently have limited options."

"We also appear to be extending patient survival beyond that of currently marketed drugs which should position us well as we move into larger Phase 3 studies to become a leader in the oncology DNA vaccine market."

Genexine management is presenting these data at the JP Morgan conference on January 9-13, 2023.

'The most important things you can do to help prevent cervical cancer are to get vaccinated against HPV, have regular screening tests, and go back to the doctor if your screening test results are not normal,' says the U.S. Centers for Disease Control and Prevention.

Disclosure: This announcement was curated for mobile readership and is not paid content.