FACTBOX-Worldwide spread of H1N1 flu

July 2 (Reuters) - Here are details about the spread of the new H1N1 flu, a mixture of swine, bird and human viruses which has infected over 79,000 people, according to the latest World Health Organisation (WHO) and local health authority tallies.

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.