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Variant or ‘Scariant’: When to Worry About Covid Virus Strains

Plus, the most important way to prevent more variants from emerging

Image: Andriy Onufriyenko/Getty Images

Although the word “mutation” often conjures frightening associations, such as three-headed fish or The Andromeda Strain, in reality, mutations are simply changes that arise in DNA or RNA. Reproduction is one opportunity for these changes to…




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Tara Haelle

Tara Haelle

Tara Haelle is a science journalist, public speaker, and author of Vaccination Investigation and The Informed Parent. Follow her at @tarahaelle.

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