COVID-19 Immunity Could Last Longer Than 8 Months, Study Says

Certain antibodies and memory cells likely last more than 8 months after someone has contracted the coronavirus, especially if they have a strong immune response to COVID-19, according to a new study published Wednesday in Science.

Pfizer Vaccine Appears to Work Against Variant, Research Shows

Laboratory experiments indicate the Pfizer/BioNTech vaccine will offer protection against the two coronavirus variants found in the United Kingdom and South Africa.

COVID Likely the Third-Leading Cause of Death in US, CDC Says

COVID-19 was probably the third leading cause of death in the United States during 2020, CNN reported, citing an email from statisticians with the U.S. Centers for Disease Control and Prevention.

Moderna CEO: Vaccine Will Likely Work for 'a Couple of Years'

The Moderna vaccine ― one of two vaccines now being distributed in the United States ― will "potentially" provide protection against COVID-19 for several years, the biotech company's CEO said, according to Reuters.

Over Half of COVID Transmission May Occur via Asymptomatic People

As COVID-19 cases surge and vaccinations lag, health authorities continue to seek additional ways to mitigate the spread of the novel coronavirus.