1. World Health Organization http://www.who.int/tdr/diseases-topics/en/index.html
2. World Health Organization http://www.who.int/mediacentre/factsheets/fs094/en/
3. World Health Organization http://www.who.int/trypanosomiasis_african/en/
4. Babesiosis: recent insights into an ancient disease;Hunfeld;Int. J. Parasitol.,2008