evidence: Chinese scientists share the first genetic sequence of SARS-CoV-2 with the NIH database GenBank. Scientists from NIH and Moderna quickly pivot from studies of other viral vaccines to focus on a vaccine candidate for COVID-19, mRNA-1273, to respond to the outbreak. Source 1, Source 2 [...] The FDA grants an EUA of the Moderna and Pfizer-BioNTech COVID-19 vaccines to authorize bivalent formulations for use as a booster dose. These updated boosters contain mRNA components for both the original strain of SARS-CoV-2 and its Omicron variant. Source The FDA grants an EUA to the Pfizer-BioNTech and Moderna bivalent COVID-19 vaccines for children age 6 months or older. Source