COVID-19 mutations and strains (Delta, Omicron) - what is it ? Animated explainer
Why and how does mutations and development of new strains of the SARS-CoV-2 coronavirus (that causes COVID-19) like delta and omicron affect the efficiency of vaccinations (and protective effect of previous infection)? This is explained in this animated explainer. Idea, animation and music by Ann-Louise Bergström and Moving Science, www.movingscience.dk