Ch.5 Travel-related Contaminants

Question 1

Examples of traveler related diseases

Answer 1

1. Food and water borne diseases
   - > source of many infectious diseases
   e. g. Paralytic toxins in shellfish
2. Vector-borne diseases
   e. g. Mosquitoes as vector for malaria transmission

Question 2

Hepatitis

Answer 2

Caused by hepatitis
- onset of fever, malaise, nausea, yellow discolouration of skin and eyes

Source of infection:

1. Contaminated food or drinking water
2. Directly from infected persons by the faecaloral route or by close contact

Precautions:
1. Avoid drinking contaminated water water or beverage with ice of doubtful origin

2. Avoid eating uncooked or undercooked food particularly shellfish

Question 3

Vector- borne disease: Malaria

Answer 3

Transmitted by female Anopheles mosquitoes

Acute malaria includes periodic fever, diarrhea aches

Precautions:
Avoid being bitten by mosquitoes

Take antimalarial drugs when appropriate