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.
The 2014 revision of the World Urbanisation Prospects said that India is projected to add the highest number of people to its urban population by 2050, ahead of China. Delhi has become the world's second most populous city in 2014 after Tokyo, more than doubling its population since 1990 to 25 million, according to a UN report. The 2014 revision of the World Urbanisation Prospects launched on Thursday said that India is projected to add the highest number of people to its urban population by 2050, ahead of China.