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2. Government of Nigeria reports 2 wild polio cases, first since July 2014;World Health Organization,2016
3. Measles cases in Malaysia up by 340 percent from last year;Aziz,2016
4. Experts blast anti-vaccinists;Arumugam,2016
5. Yellow fever outbreaks, vaccine shortages and the Hajj and Olympics: call for global vigilance;Elachola;Lancet,2016