Table 2. VP1 amino acid and nucleotide sequence identities between subclade B3 strains from Osaka and worldwide.

Country	No. strains	Year of detection	Nucleotide identity (%)	Amino acid identity (%)
United States	5	2016	96.5–99.4	97.7–99.7
Taiwan	3	2014	97.5–98.3	98.1–99.7
Hong Kong	5	2014	97.7–99.0	99.0–100
China	14	2013–2015	97.2–99.8	97.1–100
Yamagata, Japan	3	2015	97.4–100	98.4–100