To the Editor—The rise in COVID-19 cases in India has become an important lesson to the
global community1. Because certain parts of the world have been left vulnerable to COVID-
19, a humanitarian crisis at an unprecedented scale has emerged and spread to the rest of
the world. The SARS-CoV-2 Delta variant (B. 1.617. 2) that evolved from the outbreak in
India has set back the success of COVID-19 control measures in several developed
countries2. Southeast Asia and its population of more than 655 million people could be the …

To the Editor—The rise in COVID-19 cases in India has become an important lesson to the
global community 1. Because certain parts of the world have been left vulnerable to COVID-
19, a humanitarian crisis at an unprecedented scale has emerged and spread to the rest of
the world. The SARS-CoV-2 Delta variant (B. 1.617. 2) that evolved from the outbreak in
India has set back the success of COVID-19 control measures in several developed
countries 2. Southeast Asia and its population of more than 655 million people could be the …