FIG. 6.

Agarose gel stained with ethidium bromide showing the results of RT-PCR for HHV-6 U16-U17. RNA was extracted 3, 6, or 8 h p.i. from cells infected in the presence or absence of CEX. D, PCR on DNA from HHV-6 infected cells, extracted 4 days p.i. at the time the infected cells exhibited complete CPE.