Gin and tonic plasma levels at the lower limit of therapeutic efficacy and may, in fact, cause transitory suppression of parasites". This method of consumption of quinine was impractical for malaria prophylaxis, as the amount of drug needed "can not be maintained with even large amounts of tonic". The authors conclude that it is not an effective form of treatment for malaria. In Spain, a variation on the drink called Gin-Tonic has become popular. This differs from a traditional gin and tonic as it is served in a balloon glass (copa de balon) or coupe glass with plenty of ice and a garnish
World Malaria Day group Malaria No More. Other former U.S. Presidents are involved in anti-malaria efforts. Former President Bill Clinton's Clinton Foundation includes an anti-malaria component that, according to director Inder Singh has distributed anti-malaria drugs to millions in Africa and Asia. Many prominent companies, organizations, and celebrities have declared initiatives to join the fight against malaria to mark this day. These include a $3 million "challenge grant" announced by ExxonMobil to match donations dollar by dollar to Malaria No More, as part of the "Idol Gives Back" episodes of American Idol, which was aired on Malaria Awareness Day. Major League Soccer Commissioner