Second-generation Covid-19 vaccines are built for impact over speed

More than a dozen potential Covid vaccines, including programs led by the University of Oxford and partner AstraZeneca Plc, Moderna Inc., Pfizer Inc. and China’s CanSino Biologics Inc., have started human trials over the past few months.

from Hindustan Times - world https://bit.ly/2ZsS9jt
https://ift.tt/2zbki14