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Virus found in Canadian wastewater samples is linked to a polio case and environmental samples identified last summer in New York.
The trial is evaluating whether a bacteriophage cocktail can safely reduce a bacterium that causes lung infections in cystic fibrosis patients.
US poultry losses have reached a record 58.16 million since the H5N1 outbreaks began in February 2022.
Two fatal cases in children have been linked to consumption of raw date juice.
Vaccine advisers will vote on whether to simplify vaccine composition and will discuss an annual recommendation and a system for vaccine strain selection.
Those least likely to receive at least 4 doses were Black, previously had COVID-19, or were on high-dose corticosteroids.
Draft recommendations from a panel that advises the NIH would tighten oversight of potentially dangerous pathogens.
Moderate to severe COVID-19 from the Omicron variant was nearly three times more likely in women who received no vaccines during pregnancy.
A randomized trial found that antibiotics used to treat Heliobacter pylori infections had lower-than-accepted eradication rates in patients previously treated for COVID-19.
The outbreak of Salmonella has sickened 32 people in 20 states.
The lawsuit challenges the EPA's approval of the antibiotic streptomycin for use as a pesticide on citrus trees.
Also, separate reports from the WHO and Europe show declines in cases, with countries and regions reflecting differences in subvariant proportions.
State health officials say the strain, which had reduced susceptibility to the last remaining recommended antibiotic treatment, is a serious public health concern.
All samples from the Heathrow and Bristol airports and 85% from the Edinburgh terminals tested positive for SARS-CoV-2 genetic material.
The most-cited reasons for not getting new COVID-19 boosters were lack of awareness about eligibility and overestimations of their own existing immunity.
The percentage of outpatient visits for influenza-like respiratory illness dropped to 3%, down from 4% the week before.
A mutation in the outbreak strain may have public health implications, given that it is present in the 2009 H1N1 pandemic flu virus.
The authors say the findings indicate that the protection conferred by previous infection should not detract from the need for vaccination.
Risk factors for persistent symptoms at 28 days included being unvaccinated at infection, moderate or severe acute illness, longer hospital stays, and underlying health conditions.
Within the first 21 days after diagnosis, the risk of all-cause death was 68 to 81 times higher in COVID-19 patients.
