Immune or immunized people can stop an epidemic. If the number of immune people is large enough, the virus can no longer spread.


Immune or immunized people can stop an epidemic. If the number of immune people is large enough, the virus can no longer spread. Exponential growth is stopped. Illustration on white background.


Size: 6000px × 9000px
Photo credit: © Peter Hermes Furian / Alamy / Afripics
License: Royalty Free
Model Released: No

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