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Morphology and size of dengue VLPs and virions. Purified dengue virions (arrow indicated in A) and VLPs (arrow indicated in C-F) were negatively stained and analyzed by TEM. Scale bar indicates 100 nm. A. Dengue virions, B. Negative control, C. DENV-1 VLPs, D. DENV-2 VLPs, E. DENV-3 VLPs, F. DENV-4 VLPs.
