Answer: As the receptionist for Greenway Clinic, you should contact Alfredo Garza and ask him for his new address. You can contact him by using the <em>telephone number</em> that you have listed in your files. If he is not reachable by phone and has no forwarding address, the clinic will have to wait for Alfredo to come back for an appointment. If he does return, he will need to update all of his information so that his address will be on file.
B is the best answer since public health policies reduce probabilities of diseases. It is not an obligation to provide vaccination since these are costly but these will be made readily available as much as needed and can be provided.