Since first appearing in late 2019, the novel virus, SARS-CoV-2, has had a range of impacts on those it infects. Some people become severely ill with COVID-19, the disease caused by the virus, and require hospitalization, whereas others have mild symptoms or are even asymptomatic. There are several factors thatContinue Reading

The true toll is likely much higher. At least 1 million people have now died from COVID-19. This grim milestone comes over eight months after the public first learned that a mysterious respiratory virus was infecting people in China. The novel coronavirus swept quickly across the globe and overwhelmed hospitalsContinue Reading

Some mutations have no effect, while others could impact transmissibility. In early January, the first genome sequence of Sars-CoV-2 — the virus that causes COVID-19 — was released under the moniker “Wuhan-1”. This string of 30,000 letters (the A, T, C and Gs of the genetic code) marked day oneContinue Reading

The coronavirus pandemic has reached another bleak milestone in the United States. The coronavirus pandemic has reached another bleak milestone in the United States: More than 200,000 people have died of COVID-19 in the country as of Tuesday (Sept. 22), according to Johns Hopkins University. After the virus first appearedContinue Reading

A new study combines evolutionary genomics from coronavirus samples with computer-simulated epidemics and detailed travel records to reconstruct the spread of coronavirus across the world in unprecedented detail. Published in the journal Science, the results suggest an extended period of missed opportunity when intensive testing and contact tracing might haveContinue Reading