Website
World Health Organization (WHO)
https://www.who.int/home
Centre For Health Protection
https://www.chp.gov.hk/en/index.html
Hospital Authority
https://www.ha.org.hk/
Registered Pharmaceutical Products
http://www.drugoffice.gov.hk/eps/do/en/pharmaceutical_trade/news_informations/reListRPP_index.html