Today’s covid-19 news: · US army discharges soldiers who refuse covid-19 vaccination · New Zealand plans to reopen its borders · Sweden to lift all coronavirus restrictions
is about the new science of contagion and the surprising ways it shapes our lives and behaviour. The author, Adam Kucharski, is an epidemiologist at the London School of Hygiene and Tropical Medicine, UK, and in the book he examines how diseases spread and why they stop.A small trial that involved deliberately infecting volunteers
This type of research is known as a human challenge trial, and while similar studies have been conducted for various viruses over the years, this is the first to report findings on the coronavirus. Eighteen of the volunteers became infected with the virus, and 16 of them developed cold-like symptoms, such as a runny rose, sore throat, cough, fever or headache. Many of these symptoms. Thirteen of the volunteers also temporarily lost their sense of taste and smell.
Other findings from the study support the use of lateral flow tests in picking up infectious cases of the disease. “We found that overall, lateral flow tests correlate very well with the presence of infectious virus,” Christopher Chiu at Imperial College London, the trial’s chief investigator,
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