a) Sweden
b) Switzerland
c) UK
d) US
The US National Institutes of Health (NIH) announced on April 7, 2021 that it has kicked off a study to determine the risk of allergic reactions to the Pfizer-BioNTech and Moderna Covid-19 vaccines.
Home MCQs General Knowledge MCQs Quiz _______ nation’s institute has launched a study of allergic reactions to the...