Polio vaccine A global effort to eradicate polio, led by the World Health Organization, UNICEF, and The Rotary Foundation, began in 1988 and has relied largely on the oral polio vaccine developed by Albert Sabin and Mikhail Chumakov (Sabin-Chumakov vaccine). Polio was eliminated in the Americas by 1994. The disease was officially eliminated in 36 Western Pacific countries, including China and Australia, in 2000. Europe was declared polio-free in 2002. Since January 2011, no cases of the disease have been reported in India, hence in February 2012, the country was taken off the WHO list of polio-endemic countries. In March 2014, India
David Bruce (microbiologist) David Bruce (microbiologist) Major-General Sir David Bruce (29 May 1855 in Melbourne – 27 November 1931 in London) was a Scottish pathologist and microbiologist who investigated Malta fever (later called brucellosis in his honour) and African trypanosomiasis (sleeping sickness in humans and nagana in animals). He discovered a protozoan parasite transmitted by insects, later named "Trypanosoma brucei" after him. Working in the Army Medical Service and the Royal Army Medical Corps, his major scientific collaborator was his microbiologist wife Mary Elizabeth Bruce ("née" Steele), with whom he published more than thirty technical papers. Bruce was born in Melbourne, Australia to