Sunday, January 6, 2008

Deadly scourge could emerge soon, WHO warns - Infectious Diseases




Deadly scourge could emerge soon, WHO warns

Viruses are spreading faster than ever, getting harder to treat, agency says

GENEVA - Infectious illnesss are emerging more quickly around the globe, spreading faster and becoming increasingly difficult to treat, the World Health Organization (WHO) said on Thursday.

In its annual World Health Report, the United Nations agency warned there was a good possibility that anotherness major scourge like AIDS, SARS or Ebola fever with the potential of killing mil.s would appear in the coming years.

Infectious illnesss are now spreading geographically much faster than at any time in history, the WHO said.

It said it was vital to keep watch for new threats like the emergence in 2003 of SARS, or Severe Acute Respiratory Syndrome, which spread from China to 30 countries and killed 800 group.

It would be extremely naive and complacent to assume that there will not be anotherness illness like AIDS, anotherness Ebola, or anotherness SARS, sooner or later, the report warned.

Since the 1970s, the WHO said, new threats have been identified at an unprecedented rate of one or more every year, meaning that nearly 40 illnesss exist today which were unknown just over a generation ago.

Over the last five years alone, WHO experts had verified more than 1,100 epidemics of difference illnesss.

With more than 2 billion group traveling by air every year, the U.N. agency said: an outbreak or epidemic in one part of the world is only a few hours away from becoming an imminent threat somewhere else.

Monitoring vital
The report called for renewed efforts to monitor, prevent and control epidemic-prone ailments such as cholera, yellow fever and meningococcal illnesss.

International assistance may be required to help health workers in poorer countries identify and contain outbreaks of emerging viral illnesss such as Ebola and Marburg hemorrhagic fever, the WHO said.

It warned that global efforts to control infectious illnesss have already been seriously jeopardized by widespread drug resistance, a consequence of poor medical medical care and misuse of antibiotics.

This is a particular problem in tuberculosis, where extensively drug-resistant (XDR-TB) strains of the contagious respiratory ailment have emerged worldwide.

Drug resistance is also evident in diarrheal illnesss, hospital-acquired infections, malaria, meningitis, respiratory tract infections, and sexually transmitted infections, and is emerging in HIV, the report declared.

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Although the H5N1 bird flu virus has not mutated into a form that passes easily between humans, as many scientists had feared, the next influenza pandemic was likely to be of an avian variety and could affect some 1.5 billion group.

The question of a pandemic of influenza from this virus or anotherness avian influenza virus is still a matter of when, not if, the WHO said.

It said all countries must share essential health data, such as virus samples and reports of outbreaks, as required under international health rules, to mitigate such risks.

Accidents involving toxic chemicals, nuclear power and otherness environmental disasters should also be communicated quickly and clearly to minimize public health threats.

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