Last night's R-Spec meeting was fascinating -- it was too bad that only  
seven people could make it.  Mark Zahn, Alicia's boss, spoke about  Biodefense. 
 
He slanted his talk toward practical knowledge for SF writers  who want to 
include weaponized genemods in their stories, and he did a wonderful  job.  
 
He talked about which pathogens best lend themselves to modification  (Ebola, 
for instance, has a very small genome and produces only eight proteins,  
which means there's just not room enough in the cell to fit a lot of  extra, 
genetically engineered stuff.)  Mark covered the assembly of viruses  using 
sequencing data and "off-the-shelf" sections of DNA.  He talked about  the 
origins 
and spread of epidemics.  I hadn't known that the natural host  for influenza 
was an Asian species of duck, and that the way vaccine makers  guess at which 
strains of flu will hit in a given winter is by examining ducks  in late summer.
 
The talk also covered what you need for a rogue genemod lab to weaponize  
pathogens: off-the-rack equipment, experienced talent, and no more than a few  
million dollars.  What the Russians may or may not have been doing in this  
regard was discussed, including a recommendation for Ken Alibek's scary book  
BIOHAZARD (which I have read -- it's horrifying).  Mark finished with  an 
overview 
of surveillance techniques used to spot and track epidemics so that  
appropriate measures can be taken, including quarantine if necessary.  
 
Thank you, Alicia.  It was terrific.
 
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