PMC:7796344 / 4729-4878
Annnotations
{"target":"https://pubannotation.org/docs/sourcedb/PMC/sourceid/7796344","sourcedb":"PMC","sourceid":"7796344","source_url":"https://www.ncbi.nlm.nih.gov/pmc/7796344","text":"].\nBefore travelling to Saudi Arabia for Umrah, pilgrims are advised to seek medical advice about potential health risks and bring vaccination certif","tracks":[]}