See What HealthDay Can Do For You
Contact Us

Novavax COVID-19 Vaccine Highly Effective in Clinical Trials

Company will present the data to regulatory agencies worldwide, including the FDA

injection with a needle

FRIDAY, March 12, 2021 (HealthDay News) -- A COVID-19 vaccine developed by Novavax was 96 percent effective against the original strain of the coronavirus in preventing mild, moderate, and severe cases of illness and was 100 percent effective against severe disease caused by new, more contagious variants, two new clinical trials show.

However, its effectiveness against mild and moderate illness fell to 86 percent against the B.1.1.7 variant first detected in the United Kingdom and to 55 percent against the B.1.351 variant that has become dominant in South Africa, The Washington Post reported.

The new findings, which have not been peer-reviewed or published yet, support an interim analysis released in January.

"A trend we're seeing, even with these variants, is that these vaccines are retaining high efficacy against severe disease," said Kathleen Neuzil, M.D., director of the Center for Vaccine Development and Global Health at the University of Maryland School of Medicine in Baltimore. "I really loved seeing the 100 percent efficacy against severe disease."

The company said it will present the data to regulatory agencies worldwide, including the U.S. Food and Drug Administration. A large, 30,000-person trial is ongoing in the United States and Mexico.

The Washington Post Article

Physician's Briefing


HealthDay is the world’s largest syndicator of health news and content, and providers of custom health/medical content.

Consumer Health News

A health news feed, reviewing the latest and most topical health stories.

Professional News

A news feed for Health Care Professionals (HCPs), reviewing latest medical research and approvals.