Japan’s National Institute of Infectious Diseases said authorities have found a new strain of the coronavirus in four passengers arriving from Brazil.
The new variant has similarities to strains found in the UK and South Africa, the NIID said in a statement on Sunday. The information about the new variant is limited to its genetic make-up, and it’s difficult to immediately determine how infectious the strain is or the effectiveness of current vaccines against it, the institute said.
In a separate statement, Japan’s Ministry of Health said the four passengers who arrived at Japan’s Haneda airport from Brazil on Jan.

)