Travel industry information may change unexpectedly, and at any time, so check what your own government sources (usually it's under Foreign Affairs, Trade, etc) have to say about travel the place where you are headed.
Canada :: Foreign Affairs and International Trade Canada Advisories and Country Reports
United States :: U.S. Department of State Internantional Travel Information
United Kingdom :: Foreign and Consular Affairs
Australia :: Australia Department of Foreign Affairs and Trade
While you're checking out the advisories, have a look around the site for links to detailed country information. Checked your own country? Then why not have a look at what other governments think, too!