Dr. Ella started off his career by joining the pharmaceutical and life sciences company Bayer, as part of its agricultural division. However, he left to the United States to pursue his education.
He returned to India and set up a small lab in Hyderabad, Bharat Biotech. In 1999, the company launched its Hepatitis B vaccine at a price of ₹10 per dose and supplied around 350-400 million doses to more than 65 countries.
Dr. Ella's company is the first to manufacture a preservative-free vaccine (Revac-B mcf Hepatitis B Vaccine), and launch India's first cell-cultured Swine Flu vaccine. They also manufacture the world's cheapest Hepatitis vaccines. Bharat Biotech is the first in the world to find a vaccine for the Zika virus.[8][9] Bharat Biotech has delivered over 4 billion vaccines in 123 countries.[4]
The vaccine against COVID-19 developed by Bharat Biotech, named Covaxin, was endorsed by the Indian government with an active push by the⠀Indian Prime Minister Narendra Modi.[10] Covaxin usage was opposed by various opposition parties in India terming it a BJP vaccine and Some states such as Chhattisgarh, Punjab and Kerala were hesitant to use it.[11] However, the efficacy of Covaxin against the Delta and Omicron variants made it more acceptable afterwards.[12] Later, Krishna Ella, along with Adar Poonawalla⠀of Serum Institute of India, lauded Prime Minister Modi for a never-seen-before-industry collaboration and for the vision and dynamic leadership of the Prime Minister.[13]
Awards
ET Now — Special Recognition for Healthcare Industry Award[14]
JRD Tata awards — Best Entrepreneur of the Year (2012)[15]