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4h 55min, jan 1, 1892 y - Waldemar Haffkine crea la primera vacuna anticolerica efectiva
Added to timeline:
Linea del tiempo para la vacunación contra Entamoeba histolytica
By
Derek Elizondo
16 Apr 2021
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308
Date:
4h 55min, jan 1, 1892 y
Now
~ 134 years ago
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