Biological hazards
"Symbol Making" , an account of the development of the symbol.
Biohazard Symbol History
"Biosafety in Microbiological and Biomedical Laboratories" , official CDC guide.
BMBL 4th Edition - Table of Contents
Biological agents, and recommended biosafety levels for handling them ehs animal bugs
Australian Plague Locust Commission affa content output
The Flu Wiki - to help local communities prepare for and perhaps cope with a possible influenza pandemic.
Flu Wiki - Main - Flu Wiki
U.S. governments's pandemic flu and avian flu information site
Pandemic Flu
CDC: Influenza Pandemic Phases flu pandemic phases
CDC - Influenza (Flu) | Pandemic Influenza: Phases
Past pandemics that ravaged Europe news health
BBC NEWS | Health | Past pandemics that ravaged Europe
WHO - Authoritative source of information about global health issues who
WHO | World Health Organization
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