epa01716618 Hong Kong Civil Aid Service workers stand by at the Lady MacLehose Holiday Camp in Sai Kung Country Park in Hong Kong's New Territories, Hong Kong, China, 02 May 2009. The holiday camp has been turned into a quarantine centre and is currently housing 12 guests from the Metropark Hotel in Wanchai where a Mexican guest tested positive for the A-H1N1 flu on 01 May 2009. Around 200 guests and 100 staff have been forcibly quarantined the for the next seven days. So far 16 countries around the world have reported confirmed cases of the A-H1N1 virus. EPA/EPA .