Travel Health, Safety and Security Advice
Australian Department of Foreign Affairs and Trade There's lots of useful snippets in the 'Consular Travel Advice', particularly for Ozzie travellers, as well as some fairly sober warnings on where not to go.
Foreign & Commonwealth Office London The British provide succinct and restrained travel advice targeted at British citizens, but most of it is relevant to all travellers.
Travel Advice From Canada's Department of Foreign Affairs and International Trade comes this site offering travel reports on safety and health concerns.
US State Dept Travel Warnings & Consular Information Anyone with the jitters should check out this site. The warnings are written by an over-protective Uncle Sam, but it's useful information for US citizens on the risks they take when leave the home of the brave.
Fit for travel provides travel health recommendations and considerations for UK residents
Centers for Disease Control and Prevention It's all about making disease easy: just click on the map to match a country and its most prevalent diseases or click on 'Disease' for the A-Z of it all.
TravelVacs provides travel health vaccination recommendations for Canadian residents