Google has featured a new Doodle in honour of Dr. Michiaki Takahashi, the creator of the world’s first vaccine against chickenpox. The vaccine was developed in 1974, and is still in use today to prevent children from contracting severe cases of the contagious disease.

source https://gadgets.ndtv.com/internet/news/michiaki-takahashi-chickenpox-vaccine-creator-birthday-japanese-google-doodle-2773106#rss-gadgets-all