Johnson & Johnson coronavirus vaccine generates immune response, few side effects, in early trials

Johnson & Johnson coronavirus vaccine generates immune response, few side effects, in early trials

Johnson & Johnson's experimental coronavirus vaccine generated an immune response in nearly all volunteers, with minimal side-effects, after a single dose.

(CNN)Early stage trials of Johnson & Johnson's experimental coronavirus vaccine show it generated an immune response in nearly all volunteers, with minimal side-effects, after a single dose. The… [+4083 chars]

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