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Months into the coronavirus outbreak, no one really knows how well many of the screening tests work, and experts at top medical centers say it is time to do the studies to find out.When the new virus began spreading, the Food and Drug Administration used its emergency powers to OK scores of quickly devised tests,…

Health | Analysis 13 May 2020 By Michael Brooks A woman’s throat is swabbed for coronavirus in Bandung, IndonesiaAgvi Firdau/Ina Photo Agency/Sipa Usa/Pa Images IN THE UK, essential workers are now among those being sent home testing kits for coronavirus. This involves swabbing the inside of your own nose and the back of your throat,…

By Eric Ting, SFGATE Published 12:48 pm PDT, Wednesday, May 6, 2020 UCSF scientists process COVID-19 test samples at a new UCSF diagnostic laboratory adjacent to the Chan Zuckerberg Biohub (CZ Biohub) on Friday, April 24, 2020, in San Francisco. UCSF scientists process COVID-19 test samples at a new UCSF diagnostic laboratory adjacent to the Chan…

Coronavirus antibody testing is supposed to tell who's been exposed to the virus, but questions have risen about how accurate they are and how much protection those antibodies provide. Meanwhile, the World Health Organization is warning officials that they should not use these tests to provide so-called "immunity passports." Finding out who has been exposed…