- Author: WHO, Who Regional Office for the Western Pacific
- Language: English
- Year: 2009
- Author: Edward H. Kaplan, Ron Brookmeyer
- Language: English
- Year: 2001
- Author: Institute of Medicine, Committee for the Oversight of AIDS Activities, National Academy of Sciences
- Language: English
- Year: 1988
- Author: Anna Alexandrova
- Language: English
- Year: 2004
- Author: Scott C. Ratzan, Scott C. Ratzan
- Language: English
- Year: 1992
- Author: Rowden Rick
- Language: English
- Year: 2013
- Author: Olshaker Mark, Osterholm Michael T
- Language: English
- Year: 2017
- Author: World Health Organization
- Language: English
- Year: 1992