(Pang Xinglei | Xinhua via AP) In this photo released by Xinhua News Agency, Chinese President Xi Jinping, center, wearing a protective face mask, waves as he inspects the novel coronavirus pneumonia prevention and control work at a neighborhood in Beijing, Monday, Feb. 10, 2020. China reported a rise in new virus cases on Monday, possibly denting optimism that its disease control measures like isolating major cities might be working, while Japan reported dozens of new cases aboard a quarantined cruise ship.