U.S. President Donald Trump said on Sunday he had fully recovered from COVID-19 and was not an infection risk for others, freeing him to return to holding big campaign rallies during the final weeks of the race for the White…
Moderna Inc’s experimental vaccine for COVID-19 showed it was safe and provoked immune responses in all 45 healthy volunteers in an ongoing early-stage study, U.S. researchers reported on Tuesday (July 14). No study volunteers experienced a serious side effect, but…