By NewsDesk  @bactiman63

The virus that causes COVID-19 was present in New York City long before the city’s first case of the disease was confirmed on March 1, researchers at the Icahn School of Medicine at Mount Sinai report.

New York City Skyline/Barvinok (Sylius)

Their study found that more than 1.7 million New Yorkers—about 20 percent of the city’s population—have already been infected with the virus, known as SARS-CoV-2, and that the infection fatality rate of the virus is close to 1 percent, ten times deadlier than the flu.

Results of the retrospective surveillance study of more than 10,000 plasma samples taken from the beginning of February to July was published in Nature this week.

A sharp rise in infections in New York City occurred in the week ending March 8, followed by a significant increase of COVID-19 deaths during the week ending March 15. New York State implemented a stay-at-home order March 22, after which daily case numbers in New York City started to plateau and then decreased in April and May.

Read more at Icahn School of Medicine