COVID: Bivalent vaccines next stage in virus battle - CTV News

Several vaccine manufacturers are racing to develop formulas that take into account the more infectious Omicron variant now driving cases, while policymakers are laying the groundwork for another large-scale vaccine blitz.

Predictions of a fall COVID-19 wave make another booster vaccine campaign likely but questions abound over how the virus will continue to evolve and what protections a new shot could offer. Several … [+8401 chars]

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