Siberia used to be a giant malaria hotspot, and then it was suddenly gone at the onset of 20th century, and first semblances of effective treatment. Some say c

Siberia used to be a giant malaria hotspot, and then it was suddenly gone at the onset of 20th century, and first semblances of effective treatment. Some say climate change killed it, some say the extinction of a mosquito species carrying it, some better nutrition, some say quinine.