India, Sept. 2 -- The Government of India issued the following news release:

Airborne pathogens, bacteria capable of causing infections in the lungs, gut, mouth and skin, are twice as abundant in densely populated parts of Delhi compared to less crowded regions.

Indo-Gangetic Plain (IGP) in India is one of the most densely populated regions in the world with highest air pollution. During winter, entrance of western disturbance causes sudden drop in atmospheric temperature, thereby subsequently increasing relative humidity (RH), which is responsible for stagnant wind and low boundary layer height, favouring accumulation of lower atmospheric pollutants over IGP. Delhi, an urban region within IGP, is most populous and rapidly growing city in...