From left, Zongan Liang, respiratory diseases expert from the Sichuan University, Sun Shuopeng, Vice President of China’s Red Cross, Francesco Vaia (sixth from let), Director of the Spallanzani Hospital for Infectious Diseases, and the President of the Italian Red Cross, Francesco Rocca (seventh from left) meet journalists outside the Spallanzani Hospital in Rome, Saturday, March 14, 2020. For most people, the new coronavirus causes only mild or moderate symptoms. For some, it can cause more severe illness, especially in older adults and people with existing health problems. (AP Photo/Domenico Stinellis)