Washington, D.C. — A major shift in the nation’s COVID-19 vaccination strategy is underway.

The Trump administration announced a new policy this week that will limit fall COVID-19 vaccinations to seniors and individuals with underlying health conditions, leaving millions of otherwise healthy Americans uncertain about their access to updated shots.

According to new guidance from the Food and Drug Administration (FDA), healthy adults under 65 will not be automatically eligible for updated COVID vaccines this fall — a significant departure from the previous policy that recommended annual shots for nearly all Americans ages six months and older.

A More Selective Approach

FDA officials, writing in the New England Journal of Medicine, outlined a more targeted strategy. The plan maintains easy access to vaccines for seniors and high-risk individuals, while recommending extensive clinical trials for companies seeking to offer the shot to healthier populations.

“For many Americans, we simply do not know if they still need another booster,” said Dr. Vinay Prasad, the FDA’s new top vaccine official. Prasad joined the agency this month after years of academic work often critical of how vaccines were reviewed and approved.

Despite the narrower approach, Prasad estimated that over 100 million Americans — including older adults, immunocompromised individuals, and some with chronic illnesses — would still qualify for the upcoming booster.

Pushback From Health Experts and Parents

The move has stirred concern among pediatricians and public health experts.

Dr. Paul Offit, a leading vaccine specialist at the Children’s Hospital of Philadelphia, questioned how access will be determined in practice:

“Is the pharmacist going to decide if you’re in a high-risk group? This could make vaccines less accessible and harder to insure.”

Dr. Sean O’Leary of the American Academy of Pediatrics warned that the policy might further reduce vaccine access for children, especially in low-income families.

“Removing insurance coverage or availability would take the choice away from families who want to protect their kids from COVID-19,” O’Leary said.

COVID Still a Threat

Although COVID-related deaths have declined, the virus remains a public health threat. According to provisional CDC data, over 47,000 Americans died from COVID in 2023, including 231 children. Two-thirds of those deaths were directly caused by the virus.

A Break From Past Practices

For years, the U.S. government recommended annual COVID-19 boosters for nearly everyone, similar to flu shots. Vaccine makers like Pfizer and Moderna adapted their formulas each year to match circulating strains — and the FDA approved them without requiring extensive new trials, so long as they showed comparable protection.

That era appears to be ending.

The new policy, backed by FDA Commissioner Dr. Marty Makary, emphasizes personalized vaccine guidance based on risk — much like in Europe, where eligibility is based on age and vulnerability.

Future approvals for healthy adults may now require full-scale clinical trials, including random assignment to vaccine or placebo groups, to measure effectiveness against severe illness and hospitalization.

A Controversial Rollout

The rollout of this new guidance has raised eyebrows. Instead of issuing a standard draft for public comment, as is typical for FDA policies, the agency published its guidance directly in a medical journal — a move some former FDA staff say skirts federal procedures.

The new approach comes just days before the FDA’s first vaccine advisory panel under Trump and follows a string of moves by Health Secretary Robert F. Kennedy Jr., who has filled key health posts with vocal critics of past vaccine policies.

Even the recent full approval of Novavax’s COVID shot came with strict limitations on who can receive it — echoing the administration’s tighter stance.

Looking Ahead

The CDC will convene an advisory panel in June to discuss future vaccine recommendations by group, but some worry the FDA’s announcement may already be pre-empting that process.

Dr. Offit pointed out that CDC research still shows benefits from boosters for even healthy adults, offering short-term protection from mild to moderate illness.

Bottom Line

The new Trump-era vaccine policy represents a major pivot in how COVID-19 is handled moving forward — narrowing access to updated shots and signaling a shift away from universal vaccination toward a more selective, risk-based approach.

How this will affect public health outcomes — and vaccine confidence — remains to be seen.

Source: AP News – New Trump vaccine policy limits access to COVID shots

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The cruise industry continues to grow rapidly, with approximately 37.1 million passengers expected to set sail in 2025, according to Cruise Lines International Association (CLIA). However, alongside this growth, another troubling statistic has emerged. Data from the U.S. Centers for Disease Control and Prevention (CDC) reveals that 2024 has seen the worst year for gastrointestinal outbreaks on cruise ships in over a decade.

Norovirus Outbreaks at Sea

The majority of gastrointestinal outbreaks on cruise ships in 2024 have been linked to norovirus, a highly contagious stomach bug. In December alone, five ships, including those from Cunard Line, Holland America, and Princess Cruises, reported widespread illness, with hundreds of passengers affected. The CDC considers an outbreak when 3% or more of a ship’s passengers and crew exhibit gastrointestinal symptoms.

Norovirus has long been associated with cruise ships due to the confined nature of these vessels, which makes it easier for the virus to spread. Dr. William Schaffner, an infectious disease expert at Vanderbilt University, notes that norovirus is “known obviously as the cruise ship virus.” The virus can spread quickly in close quarters, and even a small amount of the virus can cause illness. It also lingers on surfaces, making it easy for passengers to contract the virus if they touch contaminated areas.

A More Severe Season

Norovirus tends to peak during the winter months, but this season has been particularly severe, both on land and at sea. Dr. Schaffner attributes the high number of outbreaks in December 2024 to this more intense seasonal occurrence.

Despite this, the cruise industry maintains that gastrointestinal incidents on board are extremely rare. The Cruise Lines International Association emphasized in a statement that these outbreaks are reported more quickly on cruise ships than on land, thanks to strict reporting protocols. On average, the CDC records 19-21 million cases of norovirus in the U.S. annually.

Other Causes of Outbreaks

While norovirus dominated the 2024 outbreaks, other causes of gastrointestinal illness have been reported as well. In September 2024, a salmonella outbreak was reported on Royal Caribbean’s Radiance of the Seas. Additionally, an E. coli outbreak occurred on Silversea Cruises’ Silver Nova earlier in the year, and the cause of another outbreak on Royal Caribbean’s Allure of the Seas remains unknown.

Rising Outbreak Numbers

In total, the CDC recorded 16 gastrointestinal outbreaks on cruise ships in 2024, the highest number in over a decade. By comparison, there were 14 outbreaks in 2023. However, a CDC spokesperson cautioned that while recent years have seen higher numbers of outbreaks than in the years before the pandemic, it is still unclear whether this represents a new trend. The period between 2020 and 2022 saw fewer outbreaks, largely due to the cruise industry’s shutdown during the COVID-19 pandemic.

Guidelines for Staying Healthy Onboard

The CDC advises passengers to report any symptoms of stomach illness immediately and follow medical staff recommendations to help prevent further spread. Hand hygiene is also crucial, and passengers are encouraged to wash their hands thoroughly after using the toilet and before eating or drinking. While cruise ships take extensive measures to control outbreaks—such as quarantining ill passengers and increasing cleaning protocols—the highly infectious nature of norovirus means that these measures are not always fully effective.

Dr. Schaffner adds that despite the best efforts of cruise lines, norovirus is so contagious that it is likely to spread beyond these preventive measures. He suggests that travelers who feel ill should stay home and rebook their cruise, and be particularly vigilant about hand hygiene, using soap and water instead of hand sanitizers, which are less effective against norovirus.

Looking Ahead

Experts remain uncertain about whether the surge in norovirus cases will continue into 2025. Dr. Schaffner notes that predicting the future of norovirus outbreaks is difficult, and it’s best to “wait and see.” In the meantime, passengers should prioritize hygiene and health while aboard, ensuring they follow all safety guidelines provided by the cruise line.

Source

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