. 2021 Nov 12;75(1):41–46. doi: 10.1093/cid/ciab895

Table 3.

RV-specific IgA Response to Natural Infection in RV1 Vaccine Failures

	RV1 Vaccine Failures^a at Presentation	RV1 Vaccine Failures Convalescent Sample
Undetectable RV-specific IgA	29/60	1/60
n, % (95% CI)	48 (36–61)	2 (0.2–11)
RV-specific IgA <20 U/mL	45/60	3/60
n, % (95% CI)	75 (62–85)	5 (2–15)
RV-specific IgA concentration^b Median (IQR,) U/mL	18.8 (6.4–54.7)	433.5 (130.3–896.4)

Abbreviations: IgA, immunoglobulin A; CI, confidence interval; RV, rotavirus; RV1, monovalent oral rotavirus vaccine.

RV gastroenteritis cases with convalescent sample available.

Infants with detectable RV-specific IgA.