Is the world staring at the worst health crisis in 90 years?

This could be the worst health crisis facing the world in 90 years.

With the World Health Organisation (WHO) on Thursday raising its alert level to phase five for swine Flu — just one step short of seeing a full-blown pandemic affecting at least two regions of the world — health experts were fearing a situation similar to the 1918 Spanish Flu which killed at least 50 million people.

That's because H1N1 (the swine flu virus) is the closest so far to the Spanish Flu virus.

While that kind of mortality is ruled out now, given the advance of medical science and the quick spread of information and awareness in today's world, WHO was taking no chances as it now knows that the disease can spread easily between humans and hence raised the alert which is read as a signal that a pandemic is imminent.

The Avian Flu (also known as bird flu) had an alert which was two notches lower, which means the danger this time is much higher.

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