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US, Russia & UK researchers claim their vaccine trial safe

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Health Desk-16 July, 2020: The new results from human trials for Covid-19 vaccines brought hope after researchers from US, Russia and UK claimed that their experimental shots are safe and induced antibodies in all trial participants.

Moderna Inc's experimental vaccine showed it was safe and provoked immune responses in all 45 healthy volunteers in an ongoing early-stage study, US researchers reported on Tuesday.

Volunteers who got two doses of the vaccine had high levels of virus-killing antibodies that exceeded the average levels seen in people who had recovered from Covid-19, the team reported in the New England Journal of Medicine.

No study volunteers experienced any serious side effects, but more than half reported mild or moderate reactions such as fatigue, headache, chills, muscle aches or pain at the injection site. These were more likely to occur after the second dose and in people who got the highest dose.

Experts say a vaccine is needed to put an end to the coronavirus pandemic that has sickened millions and caused more than 578,000 deaths worldwide.

Meanwhile, the Russian defence ministry said Wednesday it had developed a "safe" coronavirus vaccine following clinical trials on a group of volunteers.