Two people from northern China's Inner Mongolia were diagnosed in Beijing this week with pneumonic plague, a highly infectious disease that is fatal if left untreated, state-run media reported Thursday.People who had close contact with the two have been quarantined for medical observation, with none having reported any abnormal symptoms, Xinhua News Agency reported.One of the patients is in stable condition, while the other is critically ill but without further deterioration, the report said, quoting the Beijing Municipal Health Commission. It gave no information of their ages or sex.The co…READ FULL ARTICLE