InternationalMichiaki Takahashi: Google Celebrates Birthday Of Chickenpox Vaccine Inventor With DoodleAshmita ChhabriaFebruary 17, 2022 by Ashmita ChhabriaFebruary 17, 2022 New Delhi: Google pays tribute to Japanese Virologist Dr. Michiaki Takahashi on February 17by Doodle artwork . He was the inventor of the first vaccine...