FACTBOX-Worldwide spread of flu outbreak

June 23 (Reuters) - Latvia has registered its first confirmed case of the A (H1N1) flu virus, the Public Health Agency said on Tuesday.

A second Australian diagnosed with H1N1 has died, but the government said on Tuesday there was no evidence so-called "swine flu" was getting worse.

Honduras has confirmed its first H1N1 swine flu death, a 23-year-old pregnant woman, the health ministry said on Monday.

Montenegro confirmed its first case of the flu virus in a patient who flew in from the United States, its health minister said on Monday. Tunisia also discovered its first cases of the new H1N1 flu on Monday.

The WHO has declared an influenza pandemic 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 and which has infected over 52,700, according to the latest World Health Organisation and local health authority tallies.

DEATH TOLL: 237

CONFIRMED CASES: The number of confirmed cases of H1N1 is now at least 52,776.



COUNTRIES WORST AFFECTED:

DEATHS CASES

MEXICO 113 7,624*

UNITED STATES 87 21,449***

CANADA 13 5,710

ARGENTINA 10 1.213++

CHILE 4 4,315**

AUSTRALIA 2 2,857+

COLOMBIA 2 71

BRITAIN 1 2,506****

PHILIPPINES 1 344

GUATEMALA 1 208

COSTA RICA 1 149

HONDURAS 1 118

DOMINICAN REPUBLIC 1 93



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.