Global Trends in Norovirus Genotype Distribution among Children with Acute Gastroenteritis

Figures

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  Figure 1. Countries participating in NoroSurv, December 2016–August 2020. Shades of blue and size of circles indicate the number of genetic sequences included from each country.

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  Figure 2. Global genotype distribution of norovirus sequences catalogued in NoroSurv during September 2016–August 2020. A) Dark blue line indicates all GII.4 Sydney viruses; light blue indicates GII.4 Sydney[P16] and pink indicates GII.4 Sydney[P31]); B) yellow indicates GII.2 viruses; C) red indicates GII.3 viruses; D) orange indicates GII.6 viruses; E) purple indicates other GII viruses; F) green indicates GI viruses. Gray lines overlay the distributions of other pictured genotypes to enable comparisons.

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  Figure 3. Distribution of dual typed sequences in NoroSurv, 2016–2020. Numbers to the right of bars indicate the number of sequences detected for each dual type.