Articles on Common cold

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Flu shots are recommended for most Canadians over six months old. (Shutterstock)

What you need to know about cold and flu season

With cold and flu season on the horizon, it’s time for a flu shot. It takes about two weeks after vaccination for immunity to take effect, which is why it’s recommended to get the jab in the fall.
Viral surveillance and prediction may be key parts of figuring out what goes into a vaccine. Pexels Cover/500px via Getty Images

Future COVID‑19 booster shots will likely need fresh formulations as new coronavirus variants of concern continue to emerge

A new generation of vaccines and boosters against SARS-CoV-2 may take a page from the anti-influenza playbook, with shots periodically tailored to target the most commonly circulating virus strains.

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