At the beginning of the rollout, vaccines were available only to the most vulnerable Americans and some essential workers
Partial Pfizer COVID-19 Vaccination 63 Percent Effective
Estimated effectiveness 63 percent for period from more than 14 days after the first dose through seven days after the second dose
Moderna Starts Testing COVID-19 Vaccine in Younger Children
Company also testing its vaccine in 3,000 older children, ages 12 to 17 years
COVID-19 Vaccines Given to Americans Top 100 Million
As of Monday, more than 37.4 million Americans are now fully vaccinated, 11.3 percent of the total population
AstraZeneca Says Its COVID-19 Vaccine Is Safe, Despite Reports of Deadly Clots
The AstraZeneca vaccine, developed with researchers from Oxford University, has been heavily used in Britain
Guidelines Provided for Unilateral Lymphadenopathy After COVID-19 Vaccination
In most clinical settings, ipsilateral UAL after recent COVID-19 vaccination is benign finding; clinical follow-up recommended
One Year Into Pandemic, Biden Promises Vaccines for All U.S. Adults by May 1
Remarks came on the one-year anniversary of the WHO declaring COVID-19 to be a pandemic
Novavax COVID-19 Vaccine Highly Effective in Clinical Trials
Company will present the data to regulatory agencies worldwide, including the FDA
Pfizer COVID-19 Vaccine 97 Percent Effective Against Symptomatic Disease
Analysis of data from Israel’s vaccination campaign also showed vaccine to be 94 percent effective against asymptomatic disease
Biden Announces Plan to Buy 100 Million More Doses of J&J Vaccine
President has said that every American adult will have access to a vaccine by the end of May