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Seroepidemiologic studies of acute hemorrhagic conjunctivitis virus (enterovirus type 70) in West Africa. I. Studies with human sera from Ghana collected eight years after the first outbreak. 1981

K Minami, and S Otatsume, and J A Mingle, and S N Afoakwa, and C O Quarcoopome, and K Konno, and Y Uchida, and H Kurahashi, and R Kono

In 1969 and early 1970, during the pre-epidemic period of acute hemorrhagic conjunctivitis (AHC) in the upper north regions of Ghana, 191 human sera were collected. In 1977, eight years after the first epidemic of AHC in Ghana, 1008 human sera were also collected in various regions of Ghana. These sera were examined for virus neutralizing (VN) antibody against the J670/71 strain of enterovirus type 70 (EV70). In the pre-epidemic 1969-1970 sera, a low prevalence rate (6%) of VN antibody, with a titer of greater than or equal to 1:8, was found; the geometric mean titer (GMT) was also very low (1:1.85). In the post-epidemic 1977 sera, a high prevalence rate (53%) of VN antibody was found in the Ghanaian population, and the calculated GMT was also high (1:7.36). A higher antibody prevalence was detected in coastal (Accra: prevalence rate of 58% and GMT of (1:7.84), forest (Kumasi: 58% and GMT 1:7.52) and peri-forest (Tamale: 51% and GMT 1:7.46) areas than in the tropical savanna area (Bolgatanga: 41% and GMT 1:5.13). The demonstration of VN antibody in children under seven years of age showed that EV70 was still widely distributed and highly active in Ghana. The VN antibody found in human sera was predominantly IgG.

UI MeSH Term Description Entries
D007223 Infant A child between 1 and 23 months of age. Infants
D007231 Infant, Newborn An infant during the first 28 days after birth. Neonate,Newborns,Infants, Newborn,Neonates,Newborn,Newborn Infant,Newborn Infants
D008297 Male Males
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D002675 Child, Preschool A child between the ages of 2 and 5. Children, Preschool,Preschool Child,Preschool Children
D003231 Conjunctivitis INFLAMMATION of the CONJUNCTIVA. Pink Eye,Conjunctivitides,Pink Eyes
D004196 Disease Outbreaks Sudden increase in the incidence of a disease. The concept includes EPIDEMICS and PANDEMICS. Outbreaks,Infectious Disease Outbreaks,Disease Outbreak,Disease Outbreak, Infectious,Disease Outbreaks, Infectious,Infectious Disease Outbreak,Outbreak, Disease,Outbreak, Infectious Disease,Outbreaks, Disease,Outbreaks, Infectious Disease
D004769 Enterovirus Infections Diseases caused by ENTEROVIRUS. Infections, Enterovirus,Enterovirus Infection,Infection, Enterovirus
D004812 Epidemiologic Methods Research techniques that focus on study designs and data gathering methods in human and animal populations. Epidemiologic Method,Epidemiological Methods,Methods, Epidemiologic,Epidemiological Method,Method, Epidemiologic,Method, Epidemiological,Methods, Epidemiological
D005260 Female Females

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