Risk of a Resurgence of Measles, Polio Grows With Lagging Vaccination Rates
Vaccination rates have dropped again among U.S. kindergarteners. 
Below is an instruction that describes a task. Write a response that appropriately completes the request.

### Instruction: Risk of a Resurgence of Measles, Polio Grows With Lagging Vaccination Rates

### Response: Vaccination rates have dropped again among U.S. kindergarteners. 