According to a WHO official, Dr. Mardel, the guidelines were flexible because______.A.SARS
According to a WHO official, Dr. Mardel, the guidelines were flexible because______.
A.SARS would reemerge in poor countries
B.no one knew where, when and in what setting SARS would return
C.SARS would not appear in developed countries
D.no one knew whether SARS would return or not