The microepidemiology of vaccinial infection as studied in HeLa cell stationary cultures.
D000818:Animals; D018929:Cell Culture Techniques; D015605:Cowpox; D006367:HeLa Cells; D006801:Humans; D046509:Tissue Culture Techniques; D014615:Vaccinia / Q000821:virology*; D014616:Vaccinia virus
TISSUE CULTURE; VACCINIA/virology