We’ll need enormous numbers of Americans to test COVID-19 vaccines; a ‘very encouraging’ 138,600 have signed up
At a time when some Americans are concerned about the safety of a COVID-19 vaccine,
encouraging
At least 120,000 Americans are needed to test COVID-19 vaccines; a ‘very encouraging’ 107,000 have signed up
At a time when some Americans are concerned about the safety of a COVID-19 vaccine,
At least 120,000 Americans are needed to test COVID-19 vaccines. A ‘very encouraging’ 107,000 are so far signed up.
At a time when some Americans are concerned about the safety of a COVID-19 vaccine,