evidence: "So, if you’ve had the flu shot and get coughed on by someone who has the flu, your immune system has already seen the flu and has practiced killing it. That means that if you get sick at all, it’ll be less severe," said Temple-Wood. [...] "You cannot get influenza from a flu shot, but it is not uncommon to feel a little under the weather after receiving it. That means your immune system is responding to the vaccine and is a good thing," said Petrie. [...] "Influenza and coronavirus are two different virus families so a flu vaccine cannot prevent COVID-19," Rivera said. "There is also no evidence that getting a flu vaccine increases the risk of getting COVID-19."