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. 2019 Feb 12;69(2):357–365. doi: 10.1093/cid/ciy985

Table 2.

Percentage of Routine and Diarrheal Stools Positive for Norovirus by Country

Country [Reference] Routine Stools,
% (No. Positive/No. Tested)
Diarrheal Stools,
% (No. Positive/ No. Tested)
Nepala [29] 2 (7/325)
Tanzaniaa [29] 7 (12/171)
Mexicob [19] 5 (3/66) 8 (9/115)
Indiab [20, 21] 4 (7/173) 11 (207/1856)
Chilec [23] 8 (187/2278) 18 (26/145)
Vietnamb [35] 13 (169/1309)
Brazilc [17] 20 (25/124) 11 (12/105)
Bangladeshd [26] ~10 (NR/1385) ~10 (NR/420)
Ecuadorc [28] 18 (181/1016) 18 (79/438)
Bangladeshd [36] ~20 (NR/1741)
Peruc [24] 13 (491/3690) 23 (341/1495)
All country-MAL-EDa [29] 19 (438/2307) 24 (1699/7077)
South Africaa [29] 30 (75/250)
Perua [29] 33 (608/1843)

Abbreviations: MAL-ED, Etiology, Risk Factors and Interactions of Enteric Infections and Malnutrition and the Consequences for Child Health and Development; NR, not reported.

aPercentages are reported in the manuscript; number of positive samples was calculated from total number of samples and percentage positive values.

bPercentages were calculated from reported number of confirmed positive samples and total number of samples reported in the manuscript.

cPercentages, number of positives, and total number of samples are reported in the manuscript.

dPercentages were estimated from manuscript figures as the actual number or percentage of norovirus-positive stools was not reported.