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Fig. 4 | BMC Immunology

Fig. 4

From: Enhancement of Zika virus infection by antibodies from West Nile virus seropositive individuals with no history of clinical infection

Fig. 4

Sera samples from WNV seropositive donors cause enhancement of ZIKV infection. a Vero cells were infected with (a) WNV (b) ZIKV or (c) DENV RVPs in the presence of media alone or serial dilutions of WNV+ sera samples obtained from asymptomatic donors. The number of GFP positive cells was analyzed 72 h post infection as in Fig. 3 above. K562 cells were infected with (d) WNV, (e) ZIKV or (F) DENV RVPs in the presence of WNV+ sera samples from asymptomatic donors. The number of GFP positive cells was analyzed 48 h post infection

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