OCEAN COUNTY – The flu vaccine does not cause the flu since it contains influenza viruses that have been killed, and are therefore unable to infect your body, said Jennifer Crawford, an epidemiologist who oversees the communicable disease department at the Ocean County Health Department (OCHD).

It takes the vaccine two to four weeks for antibodies to develop in the body and provide protection against the flu, so if someone has been exposed before their shot, they could get the flu, she said.

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