It is the silent toll of India’s deadly second wave.

After a terrifying month that saw COVID-19 overwhelm the country’s run down health system, doctors and nurses on the pandemic front lines say they were pushed into physical and mental exhaustion as they fought to keep their patients alive.

Mousimi Das had to treat her own mother in her Kolkata hospital as countless patients including a colleague’s father died around her, working 48 hours in one stretch without a break. She has one message for the government of Prime Minister Narendra Modi.