[1][5] In December 2023, Poonawalla purchased the most expensive property in London worth Rs 1446 Crore.

In 2012, he played a major role in the acquisition of Bilthoven Biologicals, a Netherlands-based government vaccine manufacturing company.

It was reported that he planned to expand the product portfolio to include vaccines for dengue, flu, and cervical cancer during the same year.

[18] In an interview with The Times, Poonawalla declared that he left India for London because of threats demanding COVID-19 vaccines.

[23] In 2020, Serum Institute of India announced that it would donate $66 million to the University of Oxford to fund the creation of the Poonawalla Vaccines Research Building.