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Health

Bird flu spreads in Cambodia

The deaths of four Cambodians from avian flu have health experts worried. Just four weeks into the year, the toll is Cambodia's second highest since avian flu was first detected here in 2005.

Sonny Inbaraj Krishnan, the WHO's communications officer, said Wednesday, January 30, that the organization remained concerned at the deaths from H5N1, which is better known as avian flu.

"These are the first cases globally this year," he said.

Avian flu was first reported in Cambodia in 2005 when four people died. The highest annual toll was in 2011 when eight Cambodians died.

H5N1 is extremely dangerous once it jumps from poultry to humans. Worldwide it has killed 364 people out of 615 infected since 1997.

Health workers at the Berlin Institute for Food, Medicine and Animal Disease (ILAT) take samples from a duck that died from avian flu on February 02, 2006 (Photo: Foto: Steffen Kugler/dpa)

The virus has already claimed four lives in Cambodia this year

Although there have been no proven cases of human-to-human transmission, Krishnan said, experts fear H5N1 could undergo a recombination and re-assortment with another influenza virus.

"And that could give rise to a new virus that is transmittable between humans," he said.

Children at risk

Seventeen of Cambodia's 26 confirmed infections have occurred in children, the Ministry of Health said Tuesday. The victims who died on Monday were a 1-year-old girl and an 8-year-old girl. Earlier this month the disease claimed a 15-year-old girl and a 35-year-old man. The fifth person infected, a baby, recovered.

In response, the authorities have sent teams to the villages where the victims lived, culled thousands of chickens and ducks, and sprayed disinfectant.

Minister of Health Mam Bunheng said parents must tell their children to wash their hands and keep them away from areas where poultry live.

"If [children] have difficulty breathing, they should be brought to medical attention at the nearest health facilities and attending physicians be made aware of any exposure to sick or dead poultry," Mam Bunheng said.

The WHO's Krishnan said health teams have monitored the condition of people who came in contact with the victims, adding that all had tested negative for the virus. The government has also boosted the number of television and radio spots warning of avian flu and telling people how to protect themselves, and staff at health clinics in the affected provinces will receive refresher training on avian flu in February.

Population influx

However, two imminent events will add to the challenges of containing the spread of the disease.

The first is the February 4 cremation of Norodom Sihanouk, the country's revered former king, in Phnom Penh. The government expects that more than a million people will travel to the capital to pay their respects. Many will bring food, including live poultry.

A dead chicken's head hangs from a poultry stand where it is up for sale at a food market in Beijing, China, Saturday, Feb. 11, 2006. (AP Photo)

The avian flu cannot yet be transferred from human to human

The other is Chinese New Year on February 10. In preparation for the festival, large numbers of chickens and ducks are usually transported ahead of that date to markets in the cities and towns.

Either event could promote the spread of the disease. On Tuesday, government and UN health experts met to work out how best to prevent that. Krishnan said officials would hand out information leaflets to people coming to the capital to warn them of the risks and advise them how to avoid contracting the disease. That includes not eating birds that have died from illness, and cooking poultry thoroughly.

Most of the efforts underway are designed to ensure that people do not get infected with avian flu in the first place. Once they do, the chances of recovery are slim - not least due to the country's weak healthcare system. In total, 23 Cambodians out of 26 infected to date with avian flu have died - a fatality rate close on 90 percent, and well above the global figure of nearly 60 percent.

Krishnan said part of the problem is that Cambodians typically first seek medication at their local pharmacy or private clinic. That costs precious days. Given that H5N1 can kill in around a week, by the time patients arrive at hospital "the chances are slim that they will survive."

UN alert

On January 29, the United Nations' Food and Agriculture Organization (FAO) warned that the world risks repeating the 2006 avian flu outbreak when 63 countries were affected.

Health workers kill a pin full of poultry on July 7, 2007. (Photo: Martin Schutt dpa/lth)

Experts worry the flu could claim more lives in2013 than it did in 2006

The FAO's Chief Veterinary Officer Juan Lubroth said countries were not doing enough. The global economic crisis meant there was less cash to combat diseases that originate in animals, including H5N1.

"This is not only true for international organizations but also countries themselves," Lubroth said. "Even though everyone knows that prevention is better than cure, I am worried because in the current climate, governments are unable to keep up their guard."

H5N1 is endemic in a number of countries in Asia and the Middle East, and the FAO said countries must spend more on prevention methods and improve the surveillance of livestock. Lubroth said inaction risked another pandemic.

"We need to come together to find ways to ensure the safety of the global food chain," he said. "The costs - and the dangers - of not acting are just too high."

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