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.
In contrast to China, whose population is projected to decline by 28 million between 2015 and 2050, Indiaâs population is expected to increase by 394 million people. 5. Due to its rapid population growth, India is expected to exceed Chinaâs population by 2022, just seven years from now. 6. Indiaâs population then will stand at 1.419 billion, compared to Chinaâs 1.409 billion. 7. Currently, Chinaâs population of 1.376 billion exceeds Indiaâs 1.311 billion by just 65 million people (about the same as the entire population of France). 8. The combined population of China and India, at almost 2.7 billion, means that those two countries are home to nearly two out of every five people in the world. 9.