C. Around 818 Million
Feedback As per the latest report, 'Progress on drinking water, sanitation and hygiene in schools Special focus on COVID-19' released by World Health Organization (WHO) and United Nations Children's Fund (UNICEF) through the WHO/UNICEF Joint Monitoring Programme(JMP), around 818 million children across the world lacked basic hand-washing facilities in their schools which makes them prone to the novel coronavirus disease (COVID-19) and other transmittable diseases