Fonti
- http://www.ministerosalute.it
- http://www.rai.it
- http://www.corriere.it
- http://www.tgcom.it
- http://www.repubblica.it
- http://www.info.gov.hk
- http://www.cdc.gov
- http://www.who.int
- http://www.oie.int
- http://www.dhhs.gov
- http://thaigcd.ddc.moph.go.th
- http://www.vet.uga.edu
- http://www.nih.gov
- http://www.fda.gov
- http://www.hpa.org.uk
Animali: Umani:
