Moderna COVID-19 Vaccine Shows Promising Result In Animal Tests
Moderna's vaccine candidate against Covid-19 protected against the virus in a trial that inoculated 16 monkeys, an encouraging step on the path to a defense for humans against the pandemic. Bloomberg reports: Two injections of the vaccine protected against heavy exposure to the virus at two different levels of dosage, Moderna said in findings published Tuesday in the New England Journal of Medicine. The primates didn't show any sign of creating enhanced disease, a problem that has occasionally been associated with vaccines. The results, if they hold up in humans, suggest that the vaccine may be able to protect against Covid-19 in both the upper and lower airways. In all the monkeys who got the high doses of the vaccine, no viral replication was detectable in their noses two days after being challenged with the virus, according to the study results. And no viral replication was seen in the lung fluid of 7 of 8 animals in both dose groups after being challenged with the virus. All 16 monkeys showed at least some sign of protection, with limited lung inflammation seen in the lungs of both groups. The report says that the phase 3 trial, which involves 30,000 humans, will begin producing data in November or December. If you're curious about how a vaccine trial works, Slashdot interviewed technology journalist and marketer Jennifer Riggins, who is participating in the Oxford Vaccine Trial.
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