Just one example:
https://www.npr.org/sections/coronav...he-coronavirus
As the U.S. begins to open back up, coronavirus clusters — where multiple people contract COVID-19 at the same event or location — are popping up all over the country. And despite drawing massive crowds, protests against police violence and racial injustice in Washington state weren't among those clusters.
"We did have a rally in Bellingham, which is our county seat, and there was also a protest, and we have not been able to connect a single case to that rally or to the protest, and what we're finding is in large part that's due to the use of masks," Erika Lautenbach, the director of the Whatcom County Health Department in Washington State, tells NPR's All Things Considered. "Almost everyone at the rally was wearing a mask, and it's really a testament to how effective masks are in preventing the spread of this disease."
For the clusters that have popped up, Lautenbach says the state has been using contact tracing to learn more about how they're contributing to the spread of the virus. For instance, it found that 14 cases were associated with a party of 100 to 150 people in early June. Subsequently, 15 more cases were associated with the original 14.
"So that one event spread to 29 people and 31 related employers," Lautenbach says. "Our challenge is to continue to trace as it moves through families, as it moves through workplaces and as it moves through social events as well."
But protests just aren't spreading the disease in the same way, Lautenbach says.
"We're finding that the social events and gatherings, these parties where people aren't wearing masks, are our primary source of infection," Lautenbach says. "And then the secondary source of infection is workplace settings. There were 31 related employers just associated with that one party because of the number of people that brought that to their workplace. So for us, for a community our size, that's a pretty massive spread."