This is what getting vaccination to difficult environments looks like. This worker is climbing across a river in India with vials of vaccines. The persistence of health workers in India has paid off - the country finally eradicated polio in 2014 and wiped out maternal neonatal tetanus in 2015. Amazing! 😱 📷: UNICEF/UNI184260/Lucky8 LLC #science #vaccines #travel #india #sciencealert http://ift.tt/2vyuEaT