Rotavirus infection in high-incidence lactase-deficiency population.
D044383:Black People; D005759:Gastroenteritis / Q000209:etiology*; D006801:Humans; D007223:Infant; D007787:Lactose Intolerance / Q000150:complications*; D012401:Rotavirus; D013019:South Africa; D014777:Virus Diseases / Q000201:enzymology / Q000453:epidemiology*