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"This study provides policymakers, practitioners, and researchers with a tool for planning and designing polio immunization programs." Numerous researchers have documented implementation factors with regard to polio vaccination and eradication.
The longest mile in the COVID-19 vaccine cold chain Current COVID-19 vaccine candidates require storage at between eight and minus 80 degrees Celsius. Cold chain infrastructure in many developing countries struggles in the 'last mile'. Copyright: UNICEF/Michael Tsegaye, (CC BY-NC-ND 2.0). This image has been cropped. Speed read Covering the ‘last mile’ of vaccine delivery remains big hurdle in COVID-19 battle Better cold chain technology can prevent up to 25 per cent vaccine loss in poor countries But rich nation ‘vaccine nationalism’ may undermine global delivery plans Share this a...