A 23-year-old man has developed a high fever with shaking chills 2 weeks after returning from a trip to West Africa. On examination his temperature is 38°C. His peripheral blood smear is seen here. Which of the following events most likely led to his illness?
- Ingestion of primaquine
- Drinking water with Escherichia coli
- Spread of non-Hodgkin lymphoma
4) Bite from a mosquito - Lead poisoning