
who western pacific region
China Conducts Biggest Polio Immunization Drive
China is midway through a third round of immunizations against the polio outbreak that was confirmed in August 2011 in the Xinjiang Uyghur Autonomous Region.

China is midway through a third round of immunizations against the polio outbreak that was confirmed in August 2011 in the Xinjiang Uyghur Autonomous Region.