Hints in the data suggest the Johnson & Johnson vaccine has the most breakthroughs, while Moderna has the least.
The study examined nearly 100,000 people who took COVID-19 swab tests at home between June 24 and July 12.
New York City will become the first city in the U.S. to require proof of vaccination for such activities.
The coronavirus delta variant may be as contagious as chickenpox and cause more severe illness than previous variants, CDC says.
On Tuesday (July 27), the Centers for Disease Control and Prevention updated their coronavirus mask guidelines. Here's why.
The announcement will likely be that people who live in areas with high or substantial COVID-19 transmission should start wearing masks again.
Researchers have narrowed down the emergence of SARS-CoV-2 to a few weeks in the fall and to a few animal suspects.
The signatories include the American Medical Association, the American Nurses Association, and the American Academy of Pediatrics.
People infected with the delta variant of the novel coronavirus may be carrying more than a thousand times more virus particles, according to an early new study.
Some theories point toward a natural origin and others claim the virus accidentally leaked from a lab.
The delta variant now makes up 83% of new U.S. cases, Dr. Rochelle Walensky, the director of the Centers for Disease Control and Prevention said on Tuesday (July 20).
People who are fully vaccinated against COVID-19 in the U.S. are strongly protected against the delta variant of the coronavirus, and do not need booster shots yet, according to experts.
Poop transplants may have helped two patients with risk factors avoid severe COVID-19, a new case report suggests.