Data from Johns Hopkins University demonstrate that daily Covid-19 infections increased 316 percent from Labor Day 2020, or about four times more.

Top U.S. infectious disease expert Dr. Anthony Fauci said on Sept. 5 that officials were likely to soon get the regulatory go-ahead to administer Covid-19 vaccine booster shots made by Pfizer, although the Moderna booster could take a little longer.

A White House plan to offer Covid-19 booster shots will most likely start during September only with the vaccine made by Pfizer and BioNTech, a narrower initiative than anticipated, a source familiar with the matter said on Sept. 3.

As cases of the Delta variant continue to raise concerns across the United States, a new variant reaches a warning level for the World Health Organization.

A new study on Covid-19 behavior has found that patients affected by the virus might have died due to a buildup of coronavirus directly in the lungs and not because of a secondary infection. 

Dr. Anthony Fauci, the top U.S. infectious disease expert, said on Aug. 29 he supports Covid-19 vaccine mandates for children attending schools as the highly contagious Delta variant of the coronavirus continues to fuel a surge in cases in the nation.

The National Institutes of Health (NIH) is testing a booster shot of Covid-19 vaccines in people with autoimmune diseases who have not responded well to the primary vaccine course.

The number of coronavirus patients in U.S. hospitals breached 100,000, the highest level in eight months, according to the Department of Health and Human Services, as a resurgence of Covid-19 spurred by the highly contagious Delta variant strains the nation’s health care system.

Early data from a Phase III study of Brii Biosciences’ monoclonal antibody combination therapy for Covid-19 is showing significant promise.

The number of young people with the most prevalent form of diabetes nearly doubled in the United States from 2001 to 2017, according to a study published on Aug. 24.