J&J, AstraZeneca explore modifying Covid vaccines in response to rare blood clot issue
ORLANDO, FLORIDA, UNITED STATES - 2021/04/10: Johnson & Johnson COVID-19 vial and box seen at a vaccination site. Doses of ...
ORLANDO, FLORIDA, UNITED STATES - 2021/04/10: Johnson & Johnson COVID-19 vial and box seen at a vaccination site. Doses of ...