This information resource, published by the international public health agency Pan American Health Organization (PAHO), provides daily situation updates on the A(H1N1) influenza virus, or 'swine flu', including the number of confirmed cases reported in individual countries in the Americas and PAHO activities and recommendations.

The site publishes documents in English and Spanish that include background information on the virus as well as guidelines on laboratory procedures, surveillance, clinical management and infection control. It also links to videos of PAHO press conferences on influenza A(H1N1) and other online swine flu resources.

The WHO's site on influenza A(H1N1), or 'swine flu', provides daily updates and maps of the spread of the 2009 outbreak of swine flu and official WHO statements on the virus, as well as background documents and regional information.

It publishes guidance for different groups of people, including individuals, communities, national authorities and health professionals, and presents answers to frequently asked questions about the disease, vaccines, antiviral drugs, levels of pandemic alert and travel.

Readers can sign up to RSS and Twitter feeds to keep up-to-date with the latest developments.