Note that March 3 ends the third deadliest four-week period since the beginning of the pandemic according to data compiled by the COVID Tracking Project. (The first and second deadliest periods were in January and December, respectively.) Thus, it is likely that some of the apparent increase in deaths reflected below come from reclassification of deaths by race and ethnicity. In fact, over the last four weeks the number of deaths with an unknown race or ethnicity has decreased by more than 13,000.