Many Americans increased their alcohol intake during the pandemic, with women and parents of young …
Read More »Viking Age Smallpox Complicates Story of Viral Evolution
The evolution of the deadliest virus in human history — smallpox — is only partly understood. Like the novel coronavirus and many other disease-causing viruses, smallpox seems to have originated in animals, probably rodents, and spilled over to humans, probably thousands of years ago. In the 20th century alone it …
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