The US has approved 3 Covid-19 vaccines. Here s what they all have in common.
From CNN s Maggie Fox
Johnson & Johnson s single-dose coronavirus vaccine has become the third Covid-19 shot approved for use in the US. Previously, Pfizer and Moderna s two-dose vaccines had been approved.
None of the three vaccines contains additives that can sometimes cause strong reactions, such as antibiotics, preservatives or adjuvants, which are compounds used to boost the immune response that can add to the kick of any vaccine.
That means a very low risk of allergic reaction, especially life-threatening anaphylaxis. The US Centers for Disease Control and Prevention reports only a few cases of anaphylaxis in people who have been given the Moderna or Pfizer vaccines, and all were easily treated.
Now that the US Centers for Disease Control and Prevention has recommended the Johnson & Johnson Covid-19 vaccine in the US, the company will deliver 20 million Covid-19 vaccine doses in March and 100 million doses by June, said Dr. Paul Stoffels, the company’s chief scientific officer.
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