✔️Guillan-Barré syndrome There are people who do develop serious side effects after getting the flu vaccine, including Guillain-Barré syndrome (GBS), a neurologic condition nerve cells, causing muscle weakness or paralysis in severe cases. (These get a flu shot.)

✔️Guillan-Barré syndrome There are people who do develop serious side effects after getting the flu vaccine, including Guillain-Barré syndrome (GBS), a neurologic condition that attacks your body’s nerve cells, in turn causing muscle weakness or paralysis in severe cases. (These people fall on the list of people who should not get a flu shot.) Before you freak out, know that this condition is extremely rare. In fact, for every 1 million flu shots given, only one or two of those people will develop GBS, the CDC states.