FACTBOX-Worldwide spread of H1N1 flu
The WHO has declared an influenza pandemic and advised governments to prepare for a long-term battle against the virus.
DEATH TOLL: 337
CONFIRMED CASES: The number of confirmed cases of H1N1 is now at least 79,339.
COUNTRIES WORST AFFECTED:
DEATHS CASES
UNITED STATES 127 27,717***
MEXICO 116 8,680*
ARGENTINA 26 1,587++
CANADA 25 7,983
CHILE 14 7,342**
AUSTRALIA 9 4,568+
BRITAIN 3 6,929****
THAILAND 3 1,414
COSTA RICA 2 279
GUATEMALA 2 254
DOMINICAN REPUBLIC 2 108
COLOMBIA 2 93
PHILIPPINES 1 861
SPAIN 1 717
BRAZIL 1 680
URUGUAY 1 195
HONDURAS 1 118
PARAGUAY 1 100
NOTES: WHO figures sometimes lag local confirmations covered by Reuters.
* = Mexico Ministry of Health figures.
** = Chilean health authorities.
*** = U.S. Centers for Disease Control and Prevention.
**** = British Health Protection Agency figures.
+ = Australian government.
++ = Argentina's health ministry.
Sources: Reuters/WHO.









