Tech Google Doodle honors Dr. Michiaki Takahashi, developer of first chickenpox vaccine February 17, 2022 Brett Molina, USA TODAY Comments Off on Google Doodle honors Dr. Michiaki Takahashi, developer of first chickenpox vaccine Dr. Michiaki Takahashi, a Japanese virologist who developed the first chickenpox vaccine, is being honored by Google with the Feb. 17 Google Doodle.