Researchers sought to assess whether COVID-19 infection developed despite of vaccination among patients with multiple sclerosis or neuromyelitis optica spectrum disorder, using a French database of these patient populations.
Two doses of the BNT162b2 vaccine are highly effective against COVID-19-related hospitalization and critical disease in adolescents aged 12 to 18 years.
Pfizer Inc. said that a COVID-19 vaccine that specifically targets the omicron variant will be ready by March.
The Biden administration cannot enforce a vaccine-or-testing mandate for large employers, the US Supreme Court ruled.
COVID-19 vaccination is associated with a small change in menstrual cycle length, but not in menses length.
A fourth COVID-19 vaccine may be needed for most people by next fall because of what will likely be waning immunity.
COVID-19 vaccination in pregnancy is not associated with preterm birth or small for gestational age (SGA) at birth.
Patient-reported data indicate certain factors, such as vaccine brand (mRNA-1273) and younger age, are associated with an increased risk for adverse effects following COVID-19 vaccination, but serious adverse effects are rare.
The CDC backed the emergency use approval of the Pfizer COVID-19 booster shot for high-risk children between the ages of 5 and 11 years.
Researchers sought to determine the efficacy of COVID-19 mRNA vaccines and immune-specific response of patients with MS treated with various disease-modifying drugs.
