An employee at the MacoPharma plant checks FFP2 protective face masks at their factory in Neuville-en-Ferrain, northern France May 6, 2009. In 2006 the pharmaceutical company provided more than 100 million masks for French authorities after the H5N1 alert and plans to increase its current weekly production of 100,000 masks as part of sanitary precautions for influenza A (H1N1), formerly know as swine flu. REUTERS/Pascal Rossignol (FRANCE HEALTH)