Which country provided the largest share of COVID-19 vaccines to Pakistan through COVAX in 2021?
Q1. Which country provided the largest share of COVID-19 vaccines to Pakistan through COVAX in 2021?
Answer: China
Explanation: China provided the largest share of vaccines to Pakistan in 2021 through a combination of COVAX allocations and bilateral donations, supplying millions of Sinovac and Sinopharm doses that formed the backbone of Pakistan's initial vaccination campaign.