Which is the 1st nation to finish human trials for COVID-19 vaccine?
A. China
B. Russia
C. United States
D. India
Answer:B
Which is the 1st nation to finish human trials for COVID-19 vaccine?
A. China B. Russia C. United States D. India
Explanation: Russia has become the first nation to complete clinical trials of COVID-19 vaccine on humans, and the results have proven the medication’s effectiveness.The Chief researcher Elena Smolyarchuk, who heads the Center for Clinical Research on Medications at Sechenov University, announced Russian news agency TASS that the human trials for the vaccine have been completed at the university and they will be discharged soon.