Viruses with variants aren’t anything new. The COVID-19 variants are a concern because some of them are more contagious, more deadly, and may lead to vaccine failures.
How big did the Pacific Northwest Measles Outbreak of 2019?
With so many measles cases and outbreaks this year, can we still say that measles is eliminated in the United States?
Get news on current outbreaks and the latest cases of measles, which are reaching record levels this year.