Causes of conjunctivitis. Causes of conjunctivitis include: Bacterial or viral infection. Infection with a virus that may also cause a fever and sore throat. Sexually transmitted infections (STIs), including chlamydia and gonorrhoea. Irritants such as chlorine from swimming pools, shampoo, smoke, fumes or a loose eyelash.
India is on track to become the worldâs most populous nation in less than a decade â or six years earlier than previously thought, according to the U.N. With 1.38 billion people compared with Indiaâs 1.31 billion, China is currently the worldâs most populous country. Figures for both countries are expected to swell to around 1.4 billion by 2022, at which point Indiaâs population is likely to expand beyond Chinaâs.
1 India's population is equivalent to 17.5% of the total world population. 2  India ranks number 2 in the list of countries by population. 3  The population density in India is 386 people per Km2.4  32% of the population is urban (410,404,773 people in 2014). 5  The median age in India is 26.6 years. India ranks number 2 in the list of countries by population. 2  The population density in India is 386 people per Km2. 3  32% of the population is urban (410,404,773 people in 2014). 4  The median age in India is 26.6 years.