PMC:7281378 / 33967-34028 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7281378","sourcedb":"PMC","sourceid":"7281378","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7281378","text":" sequences were similar to the North American and Korean viru","tracks":[]}