Quinine giving a further half dose. No injectable preparation of quinine is licensed in the US; quinidine is used instead. Quinine is a flavor component of tonic water and bitter lemon drink mixers. On the soda gun behind many bars, tonic water is designated by the letter "Q" representing quinine. According to tradition, the bitter taste of anti-malarial quinine tonic led British colonials in India to mix it with gin, thus creating the iconic gin and tonic cocktail, which is still popular today. Nowadays, the amount of quinine in tonic is much lower and drinking it against malaria is useless. Quinine
History of malaria opened in 1962 by "Silent Spring", written by American biologist Rachel Carson, which launched the environmental movement in the West. The book catalogued the environmental impacts of indiscriminate DDT spraying and suggested that DDT and other pesticides cause cancer and that their agricultural use was a threat to wildlife. The U.S. Agency for International Development supports indoor DDT spraying as a vital component of malaria control programs and has initiated DDT and other insecticide spraying programs in tropical countries. Other insecticides are available for mosquito control, as well as physical measures, such as draining the wetland breeding grounds and the