system
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
Which of the following is a reservoir for measles
assistant
The correct answer is  - Measles occurs only in humans. There is no animal reservoir of infection.The challenges of measles elimination include:1) weak immunization systems2) high infectious rate of measles3) Conflict regions4) refusal of immunization by some populations5) Changing epidemiology of measles (increased transmission among adolescents and adults) 6) Need to provide catch-up measles vaccination7) gaps in human and financial resources park 23e pg: 146