A(H1N1) Flu Outbreak> Mass Infection
|
A(H1N1) Flu Outbreak> Mass Infection
|
 The A/H1N1 influenza virus is responsible for nearly 80 percent of China's total flu infections and most of the mass cases occurred in schools.
The 3,000 classmates of the first person to die of A/H1N1 influenza in Beijing have returned to classes at Beihang University.
|
久久久无码人妻精品无码_6080YYY午夜理论片中无码_性无码专区_无码人妻品一区二区三区精99
