COVID-19 vaccine 90% effective in real-world study in Duluth, seven other sites

A federal study with support from Duluth researchers has tracked the first two COVID-19 vaccines approved in the U.S. and found that they were 90% effective in real-world conditions and prevented asymptomatic infections. Clinical trials of the Moderna and Pfizer vaccines looked only at prevention of symptomatic infections, so the latest study of their effectiveness in health care and emergency…
Source: Red Lake Nation News