Development specialists are sounding the alarm. The pandemic will not be stopped unless we provide safe water to the world’s most vulnerable people, according to UN experts. Soap and clean water are part of the arsenal of weapons we can deploy on the frontlines of the battle to halt the virus’ spread. Yet Covid-19 continues to pose an unprecedented threat to more than 2 billion of the world’s poorest people who lack the access to safe water, sanitation, and health services (WASH) needed to protect them during infectious disease outbreaks, according to the World Health Organization.