Malaria parasite was discovered by:
**Core Concept**
The discovery of the malaria parasite is a significant milestone in the history of parasitology and tropical medicine. The parasite, known as Plasmodium, is a protozoan that infects red blood cells and causes the disease malaria.
**Why the Correct Answer is Right**
The correct answer is Walter Reed, an American Army physician who led a team of scientists in Cuba to investigate the cause of yellow fever and malaria. Walter Reed and his team discovered that the parasite was transmitted by the bite of an infected mosquito, specifically the Anopheles species. They also identified the parasite's life cycle and the role of the mosquito in transmitting the disease. Reed's discovery was a major breakthrough in understanding the cause of malaria and paved the way for the development of effective treatments and control measures.
**Why Each Wrong Option is Incorrect**
**Option A:** Although Robert Koch was a famous microbiologist who discovered the bacteria that cause tuberculosis and cholera, he did not discover the malaria parasite.
**Option B:** Louis Pasteur was a prominent figure in the development of vaccination and germ theory, but he was not involved in the discovery of the malaria parasite.
**Option C:** Alphonse Laveran was a French physician who discovered the parasite that causes malaria, but he did not discover the parasite itself; rather, he discovered the parasite's presence in the blood of infected patients.
**Clinical Pearl / High-Yield Fact**
One important aspect of malaria diagnosis is the identification of the parasite's life cycle and the role of the mosquito in transmitting the disease. This knowledge is crucial for effective treatment and control measures.
**Correct Answer: C. Alphonse Laveran**