September 25, 20202 min read, 314 words
Published: September 25, 2020 | 2 min read, 314 words
By However, it is unclear whether elderly people, one of the populations most at risk from the virus, will be protected to the same degree as younger people with the J&J vaccine.The trial in close to 1,000 healthy adults, which is backed by the U.S. government, began after th...
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