A malaria drug President Donald Trump took to try to prevent COVID-19 proved ineffective for that in the first large, high-quality study to test it in health workers and others closely exposed to ...

The latest versions of COVID-19 vaccines were 54% effective at preventing symptomatic infection in adults, according to the first U.S. study to assess how well the shots work. The shots became ...

Question: Have there been any changes to the testing requirements or isolation periods for COVID-19 positive cases in the workplace? Answer: Yes, on Jan. 9, Cal/OSHA and the California Department of ...

New research reveals the hidden economic burden of long COVID on the workforce, showing millions of missed workdays and costing the economy billions. Study: Long-COVID is associated with increased ...

Dr. Mom may have been right: The simple home remedy of gargling with saltwater could help fight infection. Researchers found that patients with COVID-19 who gargled with saltwater and did nasal rinses ...

Is the COVID quarantine on its way out? Amid reports that the U.S. Centers for Disease Control and Prevention (CDC) may be considering a change to its COVID isolation guidelines, doctors are sharing ...