Suomen kuvalehti

Britain swine flu

A passenger arrives at Manchester Airport wearing a face mask following the swine flu outbreak in Mexico, in Manchester, England, Thursday April 30, 2009. Governments kept up strict health checks on travelers arriving from North America that were rushed into place this week as the potentially deadly new disease spread quickly from Mexico. The World Health Organization raised its alert level to the second-highest on its threat scale, indicating a pandemic could be imminent.