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Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
Senescent RBC's are mainly attacked in-
assistant
The correct answer is  P. malariae which attacks mainly senescent (old) RBC’s: Agent of Quartan malaria
P. ovale and P. vivax: attack younger RBCs and reticulocytes: Agent of benign tertian malaria
P. falciparum: attacks RBC of all ages: Agent of malignant tertian malaria.