Venezuela reports its first detection of highly pathogenic H5N1 avian flu in wild birds.
A measles outbreak in the Columbus, Ohio, area has expanded to 50 cases.
Nocebo is a phenomenon in which people experience negative effects when they have negative views or expectations.
The detection lifts the number of states that have reported outbreaks in poultry this year to 47.
Eight infections in travelers returning from affected areas have been reported in the US.
Americans with ADHD are struggling to find good alternatives to the stimulant Adderall.
Despite the milestone, funding remains far short of what's needed, according to a new report.
Many mpox infections have been reported in healthcare workers, but only a few were due to occupational exposure.
Protection was 35% among those vaccinated before contracting COVID-19.
Officials report more highly pathogenic avian flu outbreaks at commercial turkey farms in Iowa and South Dakota.
A trial in Ethiopia suggests mass azithromycin distribution to wide, contiguous areas may reduce the likelihood of the infection that causes trachoma.
The bivalent booster marshaled a robust antibody response against the Omicron BA.4/BA.5 subvariants but not against the more recently emerged variants.
The country has received 1,200 doses of a candidate Sudan Ebola vaccine from the WHO.
New WHO data show that cases and deaths remained steady in 2021, easing worries about the impact of COVID-19 disruptions.
The outbreak has grown to 63 cases, up from 50 cases 3 days ago.
Hospitals with the highest prevalence of highly resistant microorganisms instituted the fewest infection prevention and control measures.
Patients hospitalized with severe COVID-19 breathing problems are less likely to need intubation if they lie face down, but the position's effect on death or other outcomes is inconclusive.
The BQ.1.1 and XBB SARS-CoV-2 subvariants evade monoclonal antibodies but not the antiviral drugs remdesivir, molnupiravir, and Paxlovid.
Six African nations report more polio cases this week.
Previous research in Bangladesh has suggested that exposure to arsenic might play a role in the emergence and spread of antibiotic resistance.
Three men contracted mpox and then developed myocarditis a few days after their initial symptoms.
Those who reported COVID-19 during wave 1 had elevated symptoms of anxiety and depression at 1, 3, 5, and 13 months follow-up.
Slightly more than half of COVID-19–related scientific studies posted on medRxiv were published in peer-reviewed journals within 2 years.
CDC data show vaccine effectiveness against the H3N2 strain for all ages was 36%.
No cases have been seen in children who are fully vaccinated.
