Residents of the participant countries are invited to provide regular reports on the presence or absence of flu related symptoms.

The Vietnam War has been featured heavily in television, film, video games, and literature in the participant countries.

The participant countries could send one or two dancers, male or female, that could not be older than 20.

The frieze was painted for an international congress led by the Pope and contains the symbols of all participant countries, including Sweden.

The participant countries set up common external trade policy, but in some cases they use different import quotas.

The participant countries have both common external trade policy and share a single currency.

In each participant country there is an institution responsible for the input of data to the system's databases.

A total of 14 annual technical meetings have been held since 1997 to date in the different participant countries:

This project was supported by the Commission and has attracted 18 participant countries and 34 associate partners.

My constituency is the only part of the United Kingdom which will share a land frontier with a participant country.