Some Tropical Region Diseases

1
Some Tropical Region Diseases

• Malaria and Dengue Fever

2
Malaria

• What is the cause of this disease?
• How is the causative agent spread?
• In what areas of the world is the disease
  primarily found?
• What is cerebral malaria?

3
Efforts to Treat and Prevent Malaria

• Vaccine?
• Drug treatments
• Bed netting
• Control of mosquito population
• Eliminate breeding grounds for the mosquito

4
Plasmodium Life Cycle

• Human liver
• Human blood cells
• Ingestion by mosquito
• Gut wall of mosquito
• Salivary glands of mosquito

5
Dengue Fever

• In what areas of the world is it found?
• Why can a person suffer from dengue fever more
  than once in their lives?
• What are the symptoms of Dengue fever? Fever,
  chills, muscle and joint pain, headache,
  weakness, vomiting, and diarrhea

6
Dengue Hemorrhagic Fever

• Can lead to very high fevers, convulsions, shock,
  and death
• Can be caused by the dengue-2 virus after a
  previous exposure to a milder strain
• First reported in 1953

7
The Spread of Dengue Fever and DHF

• How are dengue viruses transmitted?
• How can the spread of this disease be stopped?