填空题
A. cancer B. heart attack
C. bird flu D. high blood pressure
E. acquired immune deficiency syndrome (AIDS)
F. health & medical professionals G. World Health Organization (WHO)
H. air-borne disease I. professor of medicine
J. black death
K. Traditional Chinese Medicine (TCM)
L. severe acute respiratory syndrome (SARS)
M. Centers for Disease Control and Prevention N. diagnostic test
O. side effect P. keep apart