disease.sh COVID-19: Variants API
(COVID-19 data from The European Surveillance System -TESSy, provided by [Austria, Belgium, Bulgaria, Croatia, Cyprus, Czechia, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Liechtenstein, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain and Sweden] https://www.ecdc.europa.eu and released by ECDC updated every week)