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Emerg Infect Dis. 2019 Jan;25(1):119-122. doi: 10.3201/eid2501.180395.

Higher Viral Load of Emerging Norovirus GII.P16-GII.2 than Pandemic GII.4 and Epidemic GII.17, Hong Kong, China.

Abstract

We compared viral load of emerging recombinant norovirus GII.P16-GII.2 with those for pandemic GII.Pe-GII.4 and epidemic GII.P17-GII.17 genotypes among inpatients in Hong Kong. Viral load of GII.P16-GII.2 was higher than those for other genotypes in different age groups. GII.P16-GII.2 is as replication competent as the pandemic genotype, explaining its high transmissibility and widespread circulation.

KEYWORDS:

China; Hong Kong; emerging GII.P16-GII.2; epidemic GII.17; gastroenteritis; norovirus; pandemic GII.4; recombination; viral load; viruses

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