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What causes a virus to change to a new variant? What is the impact on Covid-19 vaccines? How can we prevent new variants? Why getting vaccinated matters? Learn more with WHO. Learn about Coronavirus. Recommendation from WHO. Official WHO website. Official info on COVID-19. Advice for the public. Your questions answered.

Learn More How You Can Help Stop The Spread Of The Virus With COVIDWISE. Get the app today. Help Fight Covid 19 With The Official Exposure Notification App.