The news shocked and confused Promoli, especially because Jude got the flu shot the previous December. That particular flu shot covered four strains of influenza, including the strain Jude contracted. She said the flu shot isn't as effective as other vaccines, which is why it's important everyone gets it. Campaigning for flu shotEven though her son was one of those rare cases, Promoli isn't doubting the flu shot. 'It worked for a lot of people'Promoli said it's frustrating that the flu shot didn't work for her own son.

Source: CBC News October 22, 2016 00:09 UTC