Thanks to A biologist for tweeting the link to this report on net.163.com: Shanghai reported one case of human infection with the H7N9 avian flu case. Excerpt from a Google translation of a very short report:
Shanghai Health and Family Planning Commission notification on its official website today, January 3, Shanghai reported confirmed cases of H7N9 avian influenza case of human infection.
Patients Zhou Moumou, male, 86 years old, the city residence. Confirmed on January 3, is now a city hospital for treatment.
I'll try to learn more.