‘Superspreader’ biker rally responsible for more than 260,000 cases of COVID-19

A 10-day biker rally in South Dakota was responsible for more than 260,000 cases of coronavirus costing $12.2bn in treatment, according to a study bySan Diego State University.

That represents almost one in five of the 1.4 million new cases of COVID-19 in the US between 2 August and 2 September.

The Sturgis Motorcycle Rally attracted almost half a million visitors over 10 days at the start of August.

Tracking every global effort to find a vaccine

Tracking every global effort to find a vaccine

San Diego scientists decided to evaluate its part in any increased infection rates after large crowds, coupled with minimal mask-wearing and social distancing, raised concerns that the event could serve as a coronavirus “superspreader”.

The rally featured bands such as Drowning Pool and Smash Mouth, with some performances criticised for a lack of social distancing.

A concert at the Full Throttle Saloon during the 80th Annual Sturgis Motorcycle Rally on 7 August
Image:A concert at the Full Throttle Saloon during the 80th Annual Sturgis Motorcycle Rally on 7 August

The research used mobile phone data to track footfall at restaurants and bars, shops, entertainment venues, hotels and campgrounds.

This was combined with figures from the Centers for Disease Control and Prevention (CDC), which recorded infection rates in Meade County where the rally took place, neighbouring districts and areas across the country from which the largest numbers of people had attended.

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Trump responds to claims he deliberately played down coronavirus outbreak

Trump responds to claims he deliberately played down coronavirus outbreak

The authors concluded that the event was linked to 263,708 cases across the US and the data provided “strong evidence that the Sturgis Rally appears to have been a superspreader event for COVID-19“.

It added: “If we conservatively assume that all of these cases were non-fatal, then these cases represent a cost of over $12.2bn (£9.4bn), based on the statistical cost of a COVID-19 case of $46,000 estimated by Kniesner and Sullivan (2020).

“This is enough to have paid each of the estimated 462,182 rally attendees $26,553.64 not to attend.”

The Annual Sturgis Motorcycle Rally usually attracts around 500,000 people
Image:The Annual Sturgis Motorcycle Rally usually attracts around 500,000 people

The Sturgis Motorcycle Rally began in 1938 and has been held every year since, apart from during the Second World War when it was called off because of petrol rationing.

As well as live music, it features bike races and stunts and generates millions of dollars in income for the local area.

Mark Gibson

Graduates in Northwestern University, Evanston, Illinois 1990. Move to Los Angeles California in 2004. Specialized in Internet journalism.

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