Questions are answered by experts at the Oregon Health Authority, other state agencies or community partners. Questions and answers are republished by permission.

According to Pfizer, "Hundreds of millions of doses of the Pfizer-BioNTech COVID-19 vaccine have been administered globally, and the benefit-risk profile of the vaccine remains positive for all ...

A new Covid strain with one distinctive characteristic has become the dominant diagnosed variant in Wales. Public Health ...

Titer tests are what's used "to help you determine if you currently have immunity to certain diseases due to past infection or vaccination,” says Dr. Alison Mitzner, a New York board-certified ...

A new Covid variant called Stratus or XFG is spreading across 38 countries. The World Health Organisation is monitoring this Omicron subvariant. Stratus has unique mutations but causes mild symptoms ...

A team at Scripps Research has created a microchip that can rapidly reveal how a person's antibodies respond to viruses using only a drop of blood. This game-changing technology, called mEM, condenses ...

Measles is resurging in the U.S., reaching a 33-year high due to lowered vaccination rates and misinformation. Beyond the ...

US FDA approves Moderna’s Covid-19 vaccine, Spikevax in children aged 6 months through 11 years at increased risk for Covid-19 disease: Cambridge, Massachusetts Saturday, July 1 ...

The company expects to make the updated Spikevax available to U.S. patients in time for the 2025-26 respiratory virus season.

Symptoms mirror Omicron’s, that is, fever, cough, fatigue, sore throat, and muscle aches. Though India’s Covid response ...

Twenty-four “sudden” deaths over 40 days in May-June this year in Hassan district, suspected to be due to cardiac issues, have sent shock waves across the state ...

Scientists say the current COVID vaccine is effective against the Nimbus variant and is considered a “variant under ...