Long COVID risk among pediatric patients was higher in those with a history of pneumonia as well as those with anosmia during their initial COVID-19 illness.

SARS-CoV-2 risk is lower among children aged younger than 5 who had vs did not have prior infection, regardless of vaccination status.

Children with rheumatic diseases may face increased risks for COVID-19-related hospitalization, particularly those using glucocorticoids, rituximab, or mycophenolate.

Babies born during the COVID-19 pandemic had much lower risk for respiratory infections and antibiotic prescriptions during their first 18 months.

Scientists are calling on the US CDC to disclose data about the risks of bird flu to people and pets that was posted briefly online and quickly deleted.

Frozen embryo transfer is associated with a lower live birth rate compared with fresh embryo transfer among women with a low prognosis for IVF treatment.

Low vitamin D levels during the first trimester of pregnancy are associated with higher rates of preterm birth and decreased fetal length.