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Politicians, health experts condemn vaccine misinformation as cases surge; first COVID-19 case at Olympic Village: Live updates
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Adding key ingredient to vaccine may stimulate broad protection against viruses
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Experts Weigh In On Mixing And Matching COVID-19 Vaccines
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Angela Weiss/AFP via Getty Images
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Mixing different kinds of COVID-19 vaccines might help boost immune responses, but the idea has been slow to catch on. Angela Weiss/AFP via Getty Images
Typically, if you get a COVID-19 vaccine that requires two doses, you should get two of the same vaccine. Two Pfizer shots, or two Moderna shots. Not one and then the other.
But in the future, that could change, either by necessity or by design.
This idea of using two types of vaccines isn t a new concept. It s known as heterologous vaccination, although there s a more colloquial term.