Call of Duty Black Ops 4 Zombies

Sorry if this is hard to follow or completely off, But i was playing Voyage of Despair earlier and after killing a group of zombies, something that apeared to be a DNA symbol floated up and floated away from me on the top level of the ship out in the open, I followed it for a little but lost it, Can anyone tell me what this is, I've tried searching it and looking through a few walk throughs but see no mention of it.

 

Thanks

slklylnlelt
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Registered: ‎19-03-2019

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