Health
5 factors that could dictate the success or failure of the COVID-19 vaccine rollout – The Conversation CA
The arrival of COVID-19 vaccines has raised hope for an end to the pandemic. Hopefully that’s true, but there are variables. Here are some factors that could affect…

As a viral immunologist who develops immunization strategies to prevent infectious diseases and treat cancers, I would like to highlight outstanding questions about the emergency use of vaccines against SARS-CoV-2, the coronavirus that causes COVID-19.
These vaccines have raised hopes that the pandemic is nearing an end. Hopefully this is true, but here are some potential sticking points.
1. Long-term safety profile of COVID-19 vaccines
Because COVID-19 vaccines have received regulatory approval…
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