PMC:7242012 / 2343-2442
Annnotations
{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7242012","sourcedb":"PMC","sourceid":"7242012","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7242012","text":"e US epidemic accelerated, with cases doubling every 6 to 7 days. 7 By March 29, 2020, more than 1","tracks":[]}