The most sensitive index of recent transmission of malaria in a community is -: (A) Spleen rate, (B) Infant parasite incidence, (C) Annual parasite incidence, (D) Slide positivity rate
Answer is B. - infant parasite rate is defined as the percentage of infants below the age of one year showing malaria parasites in their blood films. - It is regarded as the most sensitive index of transmission of malaria in a locality. Reference : Park's textbook of preventive and social medicine, 23rd edition pg no: 261 <\p>