Mosquitos

S1, E2: Even today, two million people die every year from malaria transmitted by mosquitoes, mainly in Africa. But even in the Upper Rhine valley, where malaria was still rampant only a century ago, people have to watch out with globalization and international travel, the cause of malaria, the so-called plasmodia, may return at any time, encouraged by the rise in average temperatures and the reproduction of the right type of mosquito.