Smallpox extinction

Geoff Crawford access_academix at optusnet.com.au
Tue Sep 21 17:25:54 EST 1999


Sorry Group,

I meant to say that cowpox is a benign disease!!

Sorry for the confusion.


Dr Geoff Crawford
Access Academix
89 Dellfield Drive
Templestowe VIC 3106
Australia

Phone      +61 3 981 272 80
Mobile      +61 412 599 649
Email        access_academix at optusnet.com.augards,

Geoff Crawford <access_academix at optusnet.com.au> wrote in message
news:7r9i79$cll$1 at news1.mpx.com.au...
> The relationship between smallpox and cowpox is as follows:
>
> Over 200 years ago Edward Jenner noted that people who had had cowpox did
> not get smallpox and developed the first vaccine/vaccination program to
> prevent a disease - in this case to prevent smallpox.  Smallpox is a
benign
> disease.
>
> By the way - vaccination comes from the word vacca that means cow!
>
> Regards,
>
>
> --
> Dr Geoff Crawford
> Access Academix
> 89 Dellfield Drive
> Templestowe VIC 3106
> Australia
>
> Phone      +61 3 981 272 80
> Mobile      +61 412 599 649
> Email        access_academix at optusnet.com.au
>
>
> Ryan Doherty <rdoherty at chat.carleton.ca> wrote in message
> news:37CEE661.A7E0F43E at chat.carleton.ca...
> >
> >
> > 113141.44 at compuserve.com wrote:
> >
> > > On 30 Aug 1999 13:41:41 -0700, Robert Means <remeans at fas.harvard.edu>
> > > wrote:
> > >
> > > >Hello All,
> > > >       What do people think? Should the "last" smallpox stock be
> > > >destroyed or kept stored for future scientific use?
> > > >Bob
> > >
> > > I believe it is essential that the existing (known) stocks of smallpox
> > > virus be preserved, for two reasons:
> > >
> > > 1/ there are no guarantees that separate stocks are not being held by
> > > individuals or governments who may release the virus at some future
> > > date, infecting a world-wide human population where there is no-longer
> > > any active immunity to the disease.  The results would be horrific and
> > > extremely damaging to world economies.
> > > Related to this point, if such stocks had been genetically
> > > manipulated, existing vaccines may be ineffective.  The continued
> > > storage of 'wild-type' virus would enable comparisons to be made
> > > between the wild-type and the new strain(s) and may be useful in the
> > > development of new vaccine.  Although such development and scaling-up
> > > of production of an effective vaccine would take time, the loss of
> > > many human lives is preferable to the decimation of populations which
> > > would otherwise occur.
> > >
> > > 2/ Mankind's knowledge of the living world is still in its infancy.
> > > It would be arrogant to assume that we know everything there is to
> > > know about smallpox and its interactions with all other free-living
> > > organisms.  The virus may yet turn out to have an unexpected quality
> > > which we can turn to our own advantage.
> > >
> > > The 'officially' held stocks of smallpox are (I trust) safe from
> > > accidental release by any means.  Let's not be hasty in our desire to
> > > destroy them.  After all, there are many more dangerous bacteria and
> > > viruses in the world (e.g. bacillus anthracis, clostridium botulinum,
> > > yersinia pestis, ebola etc) which are not very difficult for
> > > individuals and governments to obtain, culture and disperse if they
> > > choose to do-so.  Mankind is in danger from a lot more than a few
> > > aliquots of smallpox !!
> >
> > How can anyone know that smallpox has been completely eradicated?  I
know
> > that mass vaccinations had resulted in zero incidence of smallpox, but
is
> > it not possible that smallpox may still exist outside of the known stock
> > (i.e., in nature)?  Also, correct me if I'm wrong, but wasn't smallpox
> > occurrence related to cowpox occurrence (I'm talking about over 100
years
> > ago); and don't cowpox outbreaks still occur?
> >
> > Just a few questions that I know you can easily clarify for me.
> >
> >
> > Ryan Doherty
> > B.Sc. Biochemistry & Biotechnology Hnrs II
> > Carleton University
> >
> >
> >
>
>
>






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