Health
Coronavirus Variant Tracker – The New York Times
Tracking recent mutations, variants and lineages.

Each coronavirus contains nearly 30,000 letters of RNA. This genetic information allows the virus to infect cells and hijack them to make new viruses.
Diagram of the
CORONAVIRUS
GENOME
Spike
CORONAVIRUS
RNA genome
Diagram of the
CORONAVIRUS
GENOME
Spike
Spike
Diagram of the
CORONAVIRUS
GENOME
As an infected cell builds new coronaviruses, it occasionally makes tiny copying errors called mutations. Scientists can track mutations as they are passed down through a lineage, which is a branch of the viral…
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