Germany to receive 3.8 million doses of Novavax's new COVID vaccine Novavax Inc. COVID-19 vaccine showed adverse events were predominantly mild-to-moderate and transient and increased after the second dose. Severe reactions were infrequent and there were no safety concerns related to vaccination. Novavax Inc. COVID-19 vaccine is effective in generating an immune response against the Omicron variant, according to study data. ~ Hopefully this vaccine will perform better than the previous ones ...