Covid-19 superspreading event may have led to 20,000 cases early in the pandemic

That event, a biotech conference attended by 200 people in late February, is now well known as a source of Covid-19 spread very early on in the pandemic.'use strict';CNN.Videx=CNN.Videx || {};CNN.Videx.mobile={};CNN.INJECTOR.executeFeature.then {CNN.VideoPlayer.

Here is how a virus spreads 01:45"Ultimately, more than 90 cases were diagnosed in people associated with this conference or their contacts, raising suspicion that a superspreading event had occurred there," the researchers wrote in their study.Superspreading occurs when one or a few infected people cause a cascade of transmissions of an infectious disease.The new study -- which has not yet been peer-reviewed but was posted to the online server medrxiv.

Unseen Covid-19 cases began early, spread fast 03:00Timing was crucial. In late February, people were not yet aware of the pandemic risk."When it happened was critical: it was scheduled just as we were collectively beginning to appreciate the imminent threat of COVID at home--if it had been a week later the event likely would have been cancelled," MacInnis wrote in the email.

How 53 members of this choir were infected in 'super spreader' event 03:03"February 2020 was nearly a half year ago, and was a period when general knowledge about the coronavirus was limited," Biogen said in a written statement to CNN on Tuesday. "We were adhering closely to the prevailing official guidelines. We never would have knowingly put anyone at risk.

The new pre-print study also investigated the spread of the coronavirus in other settings across the Boston area, including a skilled nursing facility -- where 85% of residents and 37% of staff tested positive -- and a homeless shelter -- where the coronavirus was introduced seven times, including four that resulted in clusters of cases, according to the study.

marty_walsh Xxx

marty_walsh Yeah. Back then Joe Biden was attacking Trump for measures to slow the spread of the virus…

marty_walsh

Our great great grandparents would laugh. Approx 50 million died from Spanish Flu in a world of 1.8 billion people. That would equal 200 million deaths today in world of 8 billion. 199 million more world deaths before they give our 2020 story equal respect in history.

Let’s not forget thousands of people protesting and rioting since May. Superspreading.

I pledge allegiance to Donald Trump in the United States of Hatred. Into the Republicans for which we stand One nation hidden from God,hatred,racism and dis respect for all.Patriotism Vote

Trump's incompetence in full display. What a disgrace he is.

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