We may soon have a third vaccine. Here’s what you need to know about the Johnson & Johnson shot
The results of a late-stage clinical trial for a new COVID-19 vaccine from Johnson & Johnson were hailed as good news, even though the company reported that its one-shot vaccine had a lower efficacy rate than its two-shot rivals — Moderna and Pfizer-BioNTech — which are already being administered to people across the US. 

We asked and answered key questions about the new vaccine and how it compares to the others.

Read the full story.


Related:
-Johnson & Johnson vaccine, developed with Beth Israel, is 66 percent effective globally
-Wouldn’t you rather get vaccinated by your own doctor? Alas, most doctors can’t get doses
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