Google Doodle pays tribute to Michiaki Takahashi- World's First Chickenpox Vaccine Developer

Michiaki Takahashi developed the world's first chickenpox vaccine named "Oka" in early 1974. The lifesaving vaccine has been administered to millions of children around the world.

source https://www.jagranjosh.com/current-affairs/google-doodle-celebrates-michiaki-takahashi-first-chickenpox-vaccine-developer-1645082880-1