The journal Emerging Infectious Diseases of April 2005 says: “Optimists once imagined that serious infectious disease threats would by now be conquered. ”
Jurnal Emerging Infectious Diseases terbitan bulan April 2005 mengatakan, ” Orang - orang yang optimis pernah mengira bahwa ancaman penyakit menular yang serius kini pasti telah ditaklukkan. ”