Epstein-Barr virus achieves its ubiquitous and uniform epidemiological
distribution by a dual strategy of latency to guarantee lifelong pers
istence and intermittent replication to guarantee transmission. These
two functions appear to dictate residence in different cell types: lat
ency in B lymphocytes and replication in epithelial cells. Both of the
se cell compartments are potential sites for EBV-associated malignanci
es.