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Al Jazeera
Al Jazeera
Health
Areesha Lodhi

New COVID strain JN.1 is spreading fast. How worried should we be?

JN.1 has been detected in the US, India, China, France, Canada and many other countries [File: Petr David Josek/AP Photo]

A new strain of SARS-CoV-2, the virus that caused the coronavirus pandemic four years ago, has been detected in dozens of countries.

The World Health Organization (WHO) on Tuesday categorised the JN.1 as a “variant of interest”. After first being spotted in the United States in September, the variant has spread across 41 countries.

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