potentially mycoplasma pneumonia (支原体肺炎),is not unique to China. Lancet just published a paper showing the reemergence of mycoplasma infection in some European countries. And last year we saw a surge of RSV (肺炎合孢病毒)in North America. What is worrisome about the current surge in China is the size of it and the fact that many patients are resistant to antibiotics.