American scientists have launched an experiment to find out how successful the Moderna vaccine has prevented people from spreading the virus to others, as scientists do not know whether people who were vaccinated could harbor the virus, perhaps without showing symptoms and transmit it to others, according to what was published by the "Business Insider" website.
In the study, funded by the Infectious Diseases Unit of the US National Institutes of Health, researchers planned to employ 12,000 students at 21 campuses, including the University of Maryland, Texas A&M, and Indiana University.
Dr Anthony Fauci, chief infectious disease expert in the United States, said: “We hope within the next five months or so we will be able to answer the important question of whether people who have been vaccinated develop infection without symptoms, and if so, do they transmit the infection. To others. "
In the study, half of the volunteers will receive the Coronavirus vaccine immediately, while the other half will receive their vaccine after four months, and some student volunteers can get nearly a thousand dollars to participate.
Researchers will track volunteers to see how successful vaccination has prevented infection with the Coronavirus, including cases that do not show symptoms, and whether the vaccine reduces virus transmission between their close contacts.
Every day, volunteers take swabs from their noses, place them in vials with barcodes, and drop them into collection boxes. Then the samples will be sent to laboratories to be tested for coronavirus.
Dr Larry Curry, a virologist at the Fred Hutchinson Cancer Research Center and principal investigator of the study, said the experiment will yield results in September.
Scientists focused on colleges as ideal places to conduct this research, as one study found nearly 400,000 cases of Corona on more than 1,800 campuses since they reopened last fall.
Holly Jane, a participant in the study, said, "High-density housing, the drive to socialize, and reducing fear of severe illness in young people are all factors that contribute to the high burden of corona infection on university campuses."
In the Moderna study, the two-dose vaccine was 94% effective in preventing cases of corona compared to people who got the placebo doses, and preliminary studies left the door open to the possibility that people who were vaccinated would still be susceptible to spreading the virus, and it is possible that they are carriers of the virus. Unknown.
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