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Biotech / Medical : SARS and Avian Flu -- Ignore unavailable to you. Want to Upgrade?

To: RealMuLan who wrote (282)	4/22/2003 7:21:02 PM
From: RealMuLan	Respond to of 4232

Doubling of the SARS Death Rate Puzzles Health Officials sltrib.com

To: RealMuLan who wrote (282)	4/22/2003 9:15:08 PM
From: Biomaven	Read Replies (2) \| Respond to of 4232

Yiwu, Thanks for the link. This is interesting: Four other code sequences have been released by scientists in Canada, the US, Hong Kong and Singapore. All differ by up to 15 "letters" in the 30,000 that comprise the virus. The Chinese scientists note the differences and write that "the virus is expected to mutate very fast and easily". Such slight differences could also be explained by errors in the sequencing process. However, most of the variations seen so far seem to affect one gene in particular, while 12 more genes show no changes between non-Chinese sequences. This suggests the variants may genuine mutations. Certainly you would expect mutations in a coronavirus because it is an RNA virus that doesn't have the "error-checking" that some other viruses have. Thus there are a lot of mutant HIV strains out there, whereas I don't think there are that many measles strains. Peter

To: RealMuLan who wrote (282)	4/23/2003 6:41:22 AM
From: LTK007	Respond to of 4232

<<China has admitted that the virus is spreading into more remote provinces and has dispatched emergency SARS teams. On Sunday, the government raised the official number of SARS cases in Beijing from 37 to 358 and fired the health minister and the mayor of Beijing for covering up the crisis. By Tuesday, suspected cases of SARS in the capital had reached 602.>> this is a biggy, if it spreads into Sianking or Manchuria or the country of Mongolia; Russia would then be vulnerable( i have no idea regards border crossings in that area, however). Max