PMC:6988269 / 284-407 JSONTXT

{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/6988269","sourcedb":"PMC","sourceid":"6988269","source_url":"https://www.ncbi.nlm.nih.gov/pmc/6988269","text":"the outbreak is more widespread than initially thought, and international spread through travellers does already occur.\n\nAi","tracks":[]}