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World
Strains of COVID-19
Scientists say that there are now eight different strains of coronavirus, each carrying the same risks to the world population. NextStrain.org has produced an interactive, animated map showing how each of the eight strands has spread across the globe. Genetic sequencing data can be used to show how London became a COVID-19 hub for the global spread of the virus after it arrived from Wuhan, China. In the United States, cases spread to Washington State from China, but more cases in New York City came via travelers from London and other parts of Europe. Tracking the different strains of COVID-19 can allow epidemiologists to visualize the travel routes of the virus and afford policy makers the opportunity to evaluate the efficacy of containment measures.
This map depicts the different strains of COVID-19 around the world. Click the map to view animation. All COVID-19 updates will be displayed in a red box.
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