The 17 rallies took place between August 17 and September 26. CNN evaluated the daily rate of new cases per 100,000 residents four weeks before the rally, the date of the rally, and four weeks after the rally (at the county and state levels).
Among the 14 boarding counties where the infection rate increased, 8 counties had a decrease in the infection rate one month before the rally. In the previous month, the infection rate in the other six counties has risen.
CNN’s analysis also found that in the 10 counties, the rate of new infections has grown faster than the state’s overall infection rate.
Some of the rallies under investigation include the Trump campaign rally in Minden, Nevada, on September 1
A month before the rally, cases began to decline. But four weeks after the incident, the county’s new case rate soared by 225%, surpassing the 74% increase experienced by other states during the same period.
CNN also checked the rally in Bemidji, Minnesota on September 18, and found that although the infection rate had increased in the month before the rally, the county’s infection rate had jumped by more than 385% one month later. Higher than the state’s infection rate.
CNN’s analysis evaluated rallies in Minnesota, Wisconsin, Arizona, Pennsylvania, New Hampshire, North Carolina, Michigan, Nevada, Wisconsin, Minnesota, North Carolina, Ohio, and Florida.