He already vaccinates half the world’s babies. Tackling the pandemic was much harder

As Covid-19 wreaked havoc around the world last year, the 39-year-old son of an Indian billionaire was laying the groundwork for a plan he hoped would eventually end the pandemic.As Covid-19 wreaked havoc around the world last year, the 39-year-old son of an Indian billionaire was laying the groundwork for a plan he hoped would eventually end the pandemic.