June 12 (Reuters) - Morocco has confirmed its first case of the H1N1 flu virus in a 18-year-old woman who had returned home from studying at a university in Canada, the North African country's health ministry said on Friday. The World Health Organisation (WHO) declared an influenza pandemic on Thursday and advised governments to prepare for a long-term battle against the virus. Here are some details about the spread of the new H1N1 flu, a mixture of swine, bird and human viruses, which has killed 145 people and infected over 29,600, according to the World Health Organisation's latest tallies. DEATH TOLL: 145 CONFIRMED CASES: The number of confirmed cases of H1N1 is now at least 29,670 in 75 countries. The World Health Organisation includes Taiwan and Hong Kong in China for its country tally. COUNTRIES WORST AFFECTED: DEATHS CASES MEXICO 108 6,241* UNITED STATES 27 13,217*** CANADA 4 2,978 CHILE 2 1,694** COSTA RICA 1 104 DOMINICAN REPUBLIC 1 91 GUATEMALA 1 74 COLOMBIA 1 35 AUSTRALIA 0 1,307+ BRITAIN 0 822**** JAPAN 0 549 SPAIN 0 488 ARGENTINA 0 343++ NOTE: * = Mexico Ministry of Health figures ** = Chilean health authorities. *** = U.S. authorities estimate more than 100,000 cases; confirmed cases are only a sampling. **** = British Health Protection Agency figures + = Australian government. ++ = Argentina's health ministry. Sources: Reuters/WHO. WHO figures sometimes lag local confirmations covered by Reuters.
An Indonesian official (L) explains to a tourist how health declaration cards should be filled at Ngurah Rai airport, in Indonesia's resort island of Bali on June 12, 2009. Indonesia's government ...