The number of U.S. deaths reported in a single day hit a record, surpassing 3,000. Newly reported infections also surged, hitting 200,000 for the second time. A scientist in Japan has created a tool that models infection risk at social gatherings . By Adam Martin The number of Covid-19-related deaths reported in a day hit a record in the U.S., and newly reported infections were at their second highest, surpassing 200,000 for the second time in less than a week. The number of hospitalizations was also at a high, surpassing 100,000 for the first time on Wednesday, according to the Covid Tracking Project. That included a record 19,396 people in intensive care. The U.S. reported 3,157 deaths Wednesday, according to data compiled by Johns Hopkins University. That was up from 2,597 on Tuesday. The second-highest number on record was on April 15, when 2,607 deaths were reported. The U.S. […]