Malaria areas with high rates of malaria. Despite a need, no effective vaccine exists, although efforts to develop one are ongoing. The recommended treatment for malaria is a combination of antimalarial medications that includes an artemisinin. The second medication may be either mefloquine, lumefantrine, or sulfadoxine/pyrimethamine. Quinine along with doxycycline may be used if an artemisinin is not available. It is recommended that in areas where the disease is common, malaria is confirmed if possible before treatment is started due to concerns of increasing drug resistance. Resistance among the parasites has developed to several antimalarial medications; for example, chloroquine-resistant "P. falciparum"
This Is What You Came For among artists to 73). "This Is What You Came For" became Rihanna's 25th and Harris's fourth number one on the Hot Dance Club Songs Chart, where it became the first song since 2013's "Wake Me Up" to stay at number one for two weeks. As of October 2016, the single has sold 1.2 million copies in the United States. "This Is What You Came For" debuted at number one on the Scottish Singles Chart, and peaked at number one in Australia, Canada and Ireland. The song also reached the top 10 in Germany, Ireland, New Zealand, Switzerland, Belgium, Denmark, Finland,