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Q&A How do scientists know whether a virus is man-made or not?

Question The alien want to make some new virus (or editing the gene of existing virus) to increase human death rate, and they don't want human to know the virus has been edited. I have read some s...

4 answers  ·  posted 8y ago by fairytale‭  ·  last activity 8y ago by fairytale‭

Question biology viruses conspiracy