NEW DELHI, INDIA JULY 17: A health worker in PPE coveralls collects swab sample from a man for Covid-19 rapid antigen testing at a government dispensary, in Mehrauli, on July 17, 2020 in New Delhi, ...
COVID-19 tests are in greater demand than ever, and new data about the Omicron variant can make picking and using different types of tests confusing. Molecular tests for COVID-19, like the "RT-PCR" ...
Biochemist Kary Mullis says he was driving from the Bay Area to his cabin in Mendocino in 1983 when suddenly, like a bolt of lightning out of the California sky, he came up with a way to pinpoint a ...
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