Health Matters: JN.1 variant now world’s most dominant COVID strain, WHO says

The JN.1 variant has now become the most dominant strain on the planet, according to data tracked by the World Health Organization (WHO), following a rise in transmission over the holiday period. The director general says it is certain there are more increases in other countries that are not being reported. Katherine Ward has this story and more in Health Matters for Jan. 11, 2024

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