FDA Approves Updated COVID-19 Vaccines from Pfizer and Moderna for Enhanced Protection

COVID-19 vaccines, FDA approval, mRNA vaccines, Pfizer, Moderna, updated vaccines, KP.2 variant, JN.1 lineage, emergency use authorization, vaccination guidelines.

Europe Temporarily Halts AstraZeneca’s Vaxzevria COVID-19 Vaccine on Company’s Request

AstraZeneca, Vaxzevria, COVID-19 vaccine, marketing authorization, suspension, Europe, European Medicines Agency (EMA), pharmacovigilance, safety concerns.