Influenza : $b An epidemiologic studyVaughan, Warren T. (Warren Taylor)
History
Influenza : $b An epidemiologic study
Vaughan, Warren T. (Warren Taylor)
Influenza
According to Heberden the same was true for 1775, while Webster tells us
for 1780 that the disease was not dangerous but its effects were seen
the following year in the increased number of cases of phthisis.
Finkler remarks concerning the epidemic of 1802, “The mortality in this
epidemic was small, only the abuse of venesection brought many to the
grave. Thus, so many farmers are said to have died in Russia from it
that venesection was forbidden by an imperial ukase. Jonas says that
many patients were bled either on the advice of a simple village barber
or by their own wish, and most of them died. In Prussia also bleeding
was declared detrimental by the Government.”
He continues regarding 1836–37, that, “In London there died, during the
week ending January 24, 1837, a total of 871 persons, and among these
deaths there were 295 from disease of the respiratory organs; during the
week ending January 31st, out of a total of 860 deaths there were 309
from diseases of the respiratory organs.”
Watson, in describing the epidemic of 1847, discusses the mortality:
“The absolute mortality has been enormous; yet the relative mortality
has been small. You will hear people comparing the ravages of the
influenza with those of the cholera, and inferring that the latter is
the less dangerous complaint of the two; but this is plainly a great
misapprehension. Less dangerous to the community at large (in this
country at least) it certainly has been; but infinitely more dangerous
to the individuals attacked by it. More persons have died of the
influenza in the present year than died of the cholera when it raged in
1832; but then a vastly greater number have been affected with the one
disease than with the other. I suppose that nearly one-half of those who
were seized with the cholera perished; while but a very small fraction,
indeed, not more probably than two per cent. of those who suffered
influenza have sunk under it.”
Leichtenstern remarks on the very low mortality of 1889–90. In Munich
0.6 per cent. died; in Rostock 0.8 per cent.; in Leipzig 0.5 per cent.;
in fifteen Swiss cities 0.1 per cent.; in Karlsruhe 0.075 per cent.; in
Mecklenburg-Schwerin 1.2 per cent. This does not, however, include the
numerous deaths from complications, as from pneumonia, and does not
express the true mortality.
Newsholme gives the following table for mortality from influenza,
bronchitis and pneumonia, in England and Wales during the epidemic years
and the years immediately preceding them. The figures express annual
death rate per million of population. The highest rate was reached in
1891. The table does not include deaths registered as from other
diseases, but due directly or indirectly to influenza. Respiratory
diseases in general show a greatly increased death rate in years in
which influenza is epidemic. Such is also true to some extent with
diseases of the nervous and the circulatory systems.
Public-domain text, read in full here on John Shaqi.
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