Translations:Basic Field Epi: Course Resource Book/259/en
Infectious agents can leave the host in different ways.
Examples include:
- Body surface - agent in hair, pus or scabs (ringworm)
- Nose secretions- (influenza virus)
- Mouth - saliva (rabies and foot and mouth viruses, tuberculosis)
- Mammary gland - milk (streptococcus bacteria)
- Anus - faeces (salmonella bacteria)
- Urogenital tract - urine and sperm (leptospirosis, campylobacter)
- Eyes - tears (pinkeye)
- Blood - (Q fever by tick vectors)