Israel began rolling out Pfizer/BioNtech COVID-19 vaccinations for 5- to 11-year-olds on Monday hoping to beat down a recent rise in coronavirus infections.
The following is a summary of some recent studies on COVID-19. They include research that warrants further study to corroborate the findings and that has yet to be certified by peer review.
The United States had administered 449,955,588 doses of COVID-19 vaccines in the country as of Saturday morning and distributed 567,081,775 doses, the U.S. Centers for Disease Control and Prevention said.
Pfizer Inc and Merck & Co Inc have developed experimental antiviral pills that have shown promising efficacy in trials of adults with COVID-19 who are at high risk of serious illness. Both drugs also are being studied to see if they can prevent infection in people exposed to the virus.
The United States has administered 429,442,508 doses of COVID-19 vaccines in the country as of Saturday morning and distributed 533,019,545 doses, the U.S. Centers for Disease Control and Prevention said.