Table 2.

Age of exposure to rotavirus infection in young children globally, as assessed by exposure in the placebo groups of vaccine studies.

		Sero-positive status	Sero-positive status
Region	Country	at 6–8 weeks of age1	at 20–24 weeks of age
Africa	South Africa/Malawi	11%	17%
	Ghana/Kenya/Mali	2%	20%
Asia	Bangladesh	15%	35%
	India	26%	26%
Latin	Brazil/Mexico/Venezuela	2%	13%
America	Multiple countries3	4%	15%
Europe	Finland	0%	0%
	Multiple countries	2%	9%
United States		0%	9%

¹Sero-positivity assessed by to anti-rotavirus IgA antibody titres

²Blood was drawn 4– 8 weeks post last vaccine administration

³Argentina, Brazil, Chile, Colombia, Dominica Republic, Honduras, Mexico, Nicaragua, Panama, Peru, Venezuela

⁴Czech Republic, Finland, France, Germany, Italy, Spain

Footnote: adapted from references 55 and 56