Virus 20: The newest virus that is sweeping the world is now spreading like wildfire.
As of July 6, more than 4 million people in 14 countries had the virus, which can cause pneumonia and diarrhea.
The World Health Organization has warned that it is spreading rapidly, and its impact is likely to be severe.
The latest news, and the latest trends in global outbreaks, is featured in National Geographic’s newest issue.
This is National Geographic News.
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