The US journal has confirmed that the Chinese-made Sinopharm vaccine has successfully controlled the coronavirus.
Sinopharm has released the latest research-based on observations of the effects of the vaccine.
According to research published in the Journal of the American Medical Association, Sinopharm corona is 72 to 78 percent effective.
A study of 40,832 volunteers was conducted in the United Arab Emirates, Bahrain, Egypt and Jordan.
Two weeks after receiving the second dose, none of the volunteers in the survey had a severe infection.