Scientists can learn a lot in a controlled clinical trial involving tens of thousands of people, such as the COVID-19 vaccine trials that led to their approval, but we will all learn a lot more as hundreds of millions of people are vaccinated. And, some of what might turn up in this population-based data are adverse side effects, such as the blood clotting suffered by nearly 20 people out of roughly 8 million who received the Johnson & Johnson vaccine….
With COVID-19 cases on the rise again in many parts of the country — including Washington state where three counties were pushed back to Phase 2 effective Friday — there’s a growing debate between continuing to give both doses of Moderna or Pfizer-BioNTech vaccines close together, or giving them months apart in order to get first shots in more shoulders faster. The argument for giving more people the first dose before circling back months later to give the second, which…
“Of course, we didn’t put Democrats in the vial; we didn’t put Republicans in the vial,” University of Washington’s Dr. Larry Corey writes in a recent COVID-19 Vaccine Matters blog jointly produced by Johns Hopkins University and the UW. While development of vaccines now being distributed to combat COVID-19, the deadly disease caused by the novel coronavirus, are a “remarkable achievement” that demonstrate the power of science to save lives, mistrust and fear continue to cause nearly 40% of Americans to say they…
Excitement and relief over news of vaccines that help prevent people from getting sick, winding up in the hospital or dying from COVID-19, the disease caused by the coronavirus, are warranted, says University of Washington’s Dr. Larry Corey. But, these messenger RNA (mRNA) vaccines may not prevent people from getting infected or spreading the virus. Answering questions around how vaccines affect transmission of the virus is “of obvious importance” and research will be conducted once people begin getting vaccinated, Corey…