Scientists have been left puzzled by the plummeting rate of COVID-19 infections in India. From a peak of nearly 100,000 infections reported each day in Sep, cases are now down to around 11,000 a day. The Indian Govt. suggested compulsory mask-wearing in public may have helped. India has recorded over 10.9M cases and 155,813 deaths. The US, comparatively, has seen over 28M cases with 500K deaths.