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Pfizer’s initial clinical trials on the drug were conducted on unvaccinated adults.
A 2024 outbreak of H5N1 on 3 unrelated poultry farms in the Czech Republic suggests airborne transmission, which is difficult to prove.
The mutation doesn't appear to reduce viral fitness, as evidenced by its rapid spread, the authors say.
Afghanistan and Pakistan report new wild poliovirus cases, while Algeria and Guinea confirm cases of circulating vaccine-derived poliovirus.
An ongoing crisis in South Kivu Province in the DRC has forced at least 400 mpox patients to flee treatment centers.
High-income countries have 69% of seasonal influenza capacity and 80% of pandemic capacity.
The farm workers from different households experienced symptoms, but declined testing, before their cats became seriously ill.
The postponement comes amid concerns that HHS Secretary Robert F. Kennedy Jr., a longtime vaccine critic, could make changes to the group, or get rid of it altogether.
In the first of the 2 outbreaks, affected children had contact with bats. Further investigations are under way for both events.
The WHO has orchestrated 2 mass vaccination campaigns during pauses of fighting in the ongoing war between Israel and Hamas.
Cholera deaths also declined, but a new outbreak in Angola is showing signs of escalation, the WHO said.
In a study in Belarus and Uzbekistan, 96% of patients with drug-resistant TB who received the regimens had successful treatment outcomes.
Several factors were associated with high maternal uptake of the vaccine, including older age of the mother.
Also, Canada's vaccine advisers issue preliminary guidance on use of the vaccine in high-risk groups.
A systematic review and meta-analysis found no high- or moderate-level evidence that compliance with SEP-1 was associated with a mortality benefit.
HHS indicated it will keep the tests in the federal stockpile until they expire.
Particle spread was uneven: In some scenarios, particles were reduced by ventilation and portable air cleaners by up to 96%.
Researchers say interventions to reduce RSV infections, like vaccines and monoclonal antibodies, could aid antibiotic stewardship efforts.
Median cumulative state rates ranged from 23 (Alaska) to 249 (New York) per 100,000 people.
The mass firings have hit health professionals at the CDC, FDA, NIH, and other agencies.
