![](http://www.alamy.com/thumbs/6/24CDA7FF-BC50-470B-95C0-E864C093226F/DPF5G6.jpg)
SEM of HIV virions
Size: 4874px × 3594px
Photo credit: © Callista Images / Alamy / Afripics
License: Royalty Free
Model Released: No
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