Infectious Disease

Vaccination with one Janssen dose plus mRNA booster provides higher protection than two Janssen doses

Large population-based cohort of more than 22,000 women shows no increased risks with vaccination during pregnancy

Lawsuit claims mask mandate exceeds the authority of the U.S. Centers for Disease Control and Prevention

Agency also authorized a second booster for Americans 12 and older who are immune-compromised

Frequency of asthma exacerbations not increased with live attenuated versus inactivated flu vaccine in children aged 5 to 17 years with asthma

No significantly increased risk reported for preterm birth, stillbirth, SGA, low Apgar score, or neonatal care admission

Deficits increased with severity of ongoing self-reported symptoms; severity of initial illness did not influence later cognitive performance

Ninety-six percent of those with evidence of nucleocapsid antibodies at baseline still had antibodies more than six months later

While a second booster for older adults will be offered, federal health officials will not go so far as to recommend it

Public health officials reported experiencing structural and political undermining of their professional duties