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Fig. 6 | Respiratory Research

Fig. 6

From: Assessing the protection elicited by virus-like particles expressing the RSV pre-fusion F and tandem repeated G proteins against RSV rA2 line19F infection in mice

Fig. 6

Quantifying lung virus titer reduction following immunization. Lung tissue homogenates were collected and serially diluted in serum-free DMEM prior to plaque assay. Diluted virus mixtures were inoculated into confluent monolayers of HEp-2 cells to initiate virus infection. RSV rA2-line19F plaques were visualized using the DAB substrate. Plaques were counted and used to calculate the lung virus titer from each sample. Data are presented as mean ± SD from experiments performed in triplicate and statistical significance was determined by one-way ANOVA with Tukey’s multiple comparisons post hoc test (** p < 0.01, *** p < 0.001)

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