Health
How effective is the first shot of the Pfizer or Moderna vaccine? – The Conversation US
The vaccine rollout is underway, but what happens if there is a supply disruption? Would it be feasible to change strategy and give more people a first dose? An…

As the COVID-19 vaccines reach more people across the country, some people have asked: Could we delay the second dose of the Pfizer and Moderna vaccines to allow more people to be vaccinated more quickly? And, how safe am I after my first dose?
As an immunologist, I hear this question frequently. The answer is that a single dose is very effective but I would add that you should still get both doses. The issue is important, however, not only for your personal health but also for the countrys health…
Continue Reading