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COVID-19 Vaccine Updates
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An early safety study of Moderna Inc’s COVID-19 vaccine candidate among older adults revealed that virus-neutralizing antibodies were produced at levels similar to those seen in younger adults. The side effects were roughly comparable to high-dose flu shots, stated researchers.
The study, published in the New England Journal of Medicine, was an extension of the Phase I safety trial, first conducted in 18-55 year-olds. Two doses of Moderna’s vaccine - 25 micrograms and 100 micrograms –were tested in 40 adults aged 56 to 70 and 71 and older.
Among older adults given two injections of the 100 microgram dose 28 days apart, the vaccine evoked immune responses that more or less conform to those seen in younger adults… (Reuters, September 30, 2020)