https://www.tga.gov.au/news/media-releases/tga-provisionally-approves-moderna-bivalent-covid-19-vaccine-use-booster-dose-adults
TGA provisionally approves Moderna bivalent COVID-19 vaccine for use as a booster dose in adults
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https://www.channelnewsasia.com/singapore/moderna-spikevax-bivalent-vaccine-safety-profile-original-ong-ye-kung-2997786
Six in 100,000 who took the original COVID-19 vaccine reported serious adverse events and all have recovered or are recovering, said the Health Minister.
bivalent vaccinesafety profilemodernaspikevaxoriginal