LOS ANGELES -- U.S. regulators issued new guidance this week shortening the time that people who received Moderna or Pfizer's COVID-19 vaccine have to wait for a booster, and it's different than the ...

Neutralizing antibody levels rose 37-fold one month after the booster was given. Moderna announced Monday that its COVID-19 vaccine booster increases antibody levels against the omicron variant within ...

Babies can be safely administered antibody protection against respiratory syncytial virus after birth even if their moms had ...

Maternal vaccination and immunization with nirsevimab both produce strong increases in infant neutralizing antibody levels ...

At 24 months, 97% of the 316 participants still enrolled in the trial retained neutralizing antibody titers above the seroresponse threshold after a single dose of Ixchiq. Antibody levels remained ...

Background. Ebola virus (EBOV) neutralizing antibody in plasma may reduce viral load following administration of plasma to patients with Ebola virus disease (EVD), but measurement of these antibodies ...