Below is an instruction from Human. Write a response.
    ### Instruction:
    Do you have information about Flu Shot
    ### Response:
    Summary : Flu is a respiratory infection caused by a number of viruses. Most people with the flu get better on their own. But it can be serious. It can cause complications and sometimes even death. Getting the flu vaccine every year is the best way to lower your chance of getting the flu and spreading it to others.
    