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During Pregnancy, the Placenta Hacks the Immune System to Protect the Fetus

Cells in the placenta have an unusual trick for activating gentle immune defenses and keeping them turned on when no infection is present. It involves crafting and deploying a fake virus.

https://www.wired.com/story/during-pregnancy-the-placenta-hacks-the-immune-system-to-protect-the-fetus/
#Biology #Pregnancy #Medicine #Health #Pregnancy #Science