molecular epidemiology of nigerian and ghanaian measles virus isolates reveals a genotype circulating widely in western and central africa.sub-saharan africa is one of the regions of the globe with the highest measles-related morbidity and mortality. yet only seven virus isolates from this vast region have been phylogenetically characterized on the basis of their nucleoprotein, the last one in 1991. to characterize the prevalent wild-type viruses and to understand their circulation pattern, a large panel (n = 45) of isolates was collected in ghana and nigeria in 1997 and 1998. on the basis of their nucleoprotein sequence, the virus ...199910211955
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