In an effort to respond to the World Health Organization's call for a polio-free world, China has decided to shift to the use of safer injected, inactivated polio vaccines (IPVs) by 2018, marking a step away from the current oral polio vaccine (OPV), which has been widely administered in the country since the 1960's due to its low cost and high efficacy.
"Every country should use IPVs to completely and permanently eliminate polio," declared Lei Zhenglong, deputy director of China's National Health...





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