Do you need a 4th dose of a COVID-19 vaccine? There's no one-size-fits-all answer

Covid Vaccines, Canadian Martyrs Seniors Residence

In multiple countries, fourth doses are being explored as a way to ward off waning immunity. So does that mean you should rush out and get another shot if the opportunity arises? Not necessarily.



from CBC | Health News https://ift.tt/7hEGaIg

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