Sunday, July 26, 2009

H1N1

About a week ago I went to a certain dim sum restaurant at Bugis Junction with a friend. We were enjoying our meal when this family of 4 sat down beside us. The mother (I assume so) looked really unwell and was constantly coughing and sneezing.

I applaud her for being so supportive of Singapore's economy but she certainly put the rest of the patrons at risk from H1N1. I would like to think I got the common flu though I am feeling really quite sick for 2-3 days already (H1N1's incubation period is about 1-7 days). I must certainly thank some of these mindless and un-civic-minded people for spreading the "love".

Now, the World Health Organization says the pandemic (no longer imminent because it is already here) is gaining speed and they are foreseeing high winter risks. (http://news.yahoo.com/s/nm/20090724/ts_nm/us_flu_who_behaviour). In the next few months, more people will contract H1N1 and it remains to be seen if the virus strain will remain as it is or mutate to a more fatal variant. What they are fearing is that H1N1 will have sex with H5N1 and have an offspring called H1N1 x H5N1 *or something along that line.

While the various pharmaceutical companies and governments are believed to be rushing out the vaccines, I urge everyone to hopefully practise some personal hygiene and social responsibility by not infecting everyone else at shopping centres. I am quite certain that this inconspicuous snot republic in the southern province of a certain somewhere will likely to be the worst hit due to the close proximity of its peasant accommodating pigeon holes.


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Some snippets of information on H1N1

A/H1N1 is a subtype of A influenza type. Both humans and pigs can be infected, but it seems that the virus currently has low fatality rate (under 1%). What would happen if swine flu mixes with the bird flu?

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H1N1 is currently endemic in both human and pig populations. A variant of H1N1 was responsible for the Spanish flu pandemic that killed some 50 million to 100 million people worldwide over about a year in 1918 and 1919. Another variant was named a pandemic threat in the 2009 swine flu outbreak.

"When he compared the 1918 virus with today's human flu viruses, Dr. Taubenberger noticed that it had alterations in just 25 to 30 of the virus's 4,400 amino acids. Those few changes turned a bird virus into a killer that could spread from person to person

H5N1 is the world's major influenza pandemic threat. ( from Wikipedia.)

And now it seems that H1N1 is the world's major influenza pandemic threat.

For H5N1 is known that it can be spread from birds to humans, and not between humans. The lethality of bird flu in humans is over 50%, which means that swine flu is very deadly. H5N1 is difficult to be transferred to humans, but in the last 11 years, around 400 people were infected and more than 200 deceased. The best most efficent cure is Tamiflu and Oseltamivir (Relenza). The same cures are being used in treatment for swine flu (H1N1).

As of 26 June 2009 07:00 GMT, there are over 60.000 infected and about 290 deceased people around the world. Compared to the bird flu this is much, much lower lethality. And nobody mentioned that ordinary, seasonal influenza infects around 500.000.000 people around the world every year, and kills thousands... When you consider it like that, the "ordinary" flu, most often H3N2 sounds more dangerous than swine flu... But still there is much panic about it...

But what would happen if someone who catches swine flu cathes the bird flu too? Nobody knows. For now, some of the countries which have reporteed both swine flu and bird flu this year are Egypt, China, and some other SE Asian countries.

H1N1 has mild symptoms and almost none consequences and it's lethality rate is below 1%. Spreads easily between humans.

H5N1 has severe consequences, it's hardly transmitable to humans, and the lethality rate is over 50%.

The question is, is there a possibility that these 2 viruses mix, and create a disease that has over 50% lethality, and would be easily transmitted between humans? That sounds like a BIG threat to mankind.

Source: http://www.bukisa.com/articles/113815_when-will-the-swine-flu-h1n1-mutate-and-what-will-happen-then

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