SINGAPORE-Three different Covid-19 messenger RNA vaccines which may have reduced side effects when administered are being developed with Singapore's involvement in their clinical trials. Developed by United States-firm Arcturus Therapeutics, the three vaccine candidates can be given at a much lower dose than the mRNA vaccines now available-such as those by Pfizer and Moderna-because of the" self-amplifying" mRNA technology they use. Each dose of the Arcturus vaccine contains five micrograms of v
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海峡时报-新加坡
2021-08-21 00:00:00.0