A novel reassortant of the Influenza- A/H1N1 virus is currently circulating in humans. Human clinical cases, and sustained human-to-human transmission of the novel virus, were detected initially in North America (Mexico and the USA). Since its recognition as a novel strain by the CDC in the third week of April 2009, a total of 10,243 confirmed human cases including 80 deaths have been reported from 41 countries (WHO: 20 May 2009). The majority of the cases suffered only mild illness and recovered quickly