By Martin Quin Pollard SHANGHAI – Thousands of people left messages on the social media account of the late Chinese COVID-19 whistleblower Li Wenliang on the anniversary of the day he learned of possible pneumonia-causing virus cases in Wuhan and shared the information with fellow doctors. On Dec. 30, 2019, Li, an ophthalmologist at a hospital in Wuhan where the Sars-CoV-2 virus Thousands remember late Chinese doctor who first warned others about COVID-19 Thousands of people left messages on the social media account of the late Chinese COVID-19 whistleblower Li Wenliang on the anniversary of the day he learned of…