Photo: Simon Dawson (Getty Images) New government-funded research this week should offer some comfort to people who have survived covid-19. It suggests they have a low risk of reinfection from the coronavirus, at least around three months later. Researchers at the National Cancer Institute teamed up with commercial testing labs and two healthcare data collection …
Medical workers are seen at a Covid-19 coronavirus testing site in Beijing on January 23, 2021.Photo: Noel Celis (Getty Images) Health authorities in China have deployed anal swab tests to detect covid-19 in the lead up to the Lunar New Year celebrations, according to the Chinese state media outlet the Global Times, a technique that …