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The trial will assess the vaccine's efficacy and the immune response it creates against Zaire and Sudan Ebola virus species in healthy adult volunteers.
According to a study, two out of three critically ill coronavirus-infected patients who were on oxygen support or on ventilators showed signs of improvement when they were administered remdesivir.
The Russian health watchdog Rospotrebnadzor said a fire broke out when a gas cylinder exploded, injuring one worker at the facility.
Nearly 200 contacts of the man have been tracked down and nearly 160 of them vaccinated, according to the Congo government.