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A COVID‑19 vaccine is a vaccine intended to provide acquired immunity against severe acute respiratory syndrome coronavirus 2 ( SARS-CoV-2 ), the virus that causes coronavirus disease 2019 ( COVID‑19 ). Prior to the COVID‑19 pandemic, an established body of knowledge existed about the structure and function of coronaviruses causing ...
The Electronic Vaccination Data System ( EVDS) is a digital platform developed by the National Department of Health of the South African government to manage the country's COVID-19 vaccination program. Enrolment is currently available for everyone over the age of 12 [3] and the platform can also generate a digital vaccine certificate.
The COVID-19 vaccination campaign in the United States is an ongoing mass immunization campaign for the COVID-19 pandemic in the United States. The Food and Drug Administration (FDA) first granted emergency use authorization to the Pfizer–BioNTech vaccine on December 10, 2020, [7] and mass vaccinations began four days later.
The recommended vaccines now covered by Medicare include the Big 8: COVID-19; flu; pneumococcal; shingles, RSV, hepatitis A and B, and Tdap (protection against tetanus, diphtheria and pertussis or ...
The FDA and CDC have approved new bivalent vaccines by Pfizer and Moderna that target both the original strain of COVID-19 and Omicron subvariants. New Omicron-targeting COVID-19 boosters are ...
A regimen of two doses of the Oxford–AstraZeneca vaccine followed by a booster dose of the Pfizer–BioNTech or the Moderna vaccine is initially about 60% effective against symptomatic disease caused by Omicron, then after 10 weeks the effectiveness drops to about 35% with the Pfizer–BioNTech and to about 45% with the Moderna vaccine.
A vaccine is a biological preparation that provides active acquired immunity to a particular infectious or malignant disease. [1] [2] The safety and effectiveness of vaccines has been widely studied and verified. [3] [4] A vaccine typically contains an agent that resembles a disease-causing microorganism and is often made from weakened or ...
The Vaccine Safety Datalink Project (VSD) was established in 1990 by the United States Centers for Disease Control and Prevention (CDC) to study the adverse effects of vaccines . Four large health maintenance organizations, including Kaiser Permanente, were initially recruited to provide the CDC with medical data on vaccination histories ...