PubMed · 13944489
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J FASEL, C WILD. 1963-03-07. [Parasitic rectitis].. https://pubmed.ncbi.nlm.nih.gov/13944489/
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The genetic relatedness among 96 invasive Escherichia coli belonging to several serogroups and 13 non-invasive of several serotypes that share the same O antigen was investigated by multilocus enzyme electrophoresis analysis. The invasive strains were isolated in different parts of the world and most of them recovered from dysentery. Twenty-nine electrophoretic types were distinguished and the most invasive strains were found to belong to two major lineages. These results suggested that the invasive ability in these strains has evolved in divergent chromosomal backgrounds, presumably through the horizontal spread of plasmid-borne invasion genes. The maintenance of invasive phenotypes in separate lineages suggests that this ability confers a selective advantage to invasive strains.
During the War of 1812, the medical surgeon and his "mate" were responsible for the soldiers' dental care; there were no dentists employed by the United States Army. Official reports of dental treatment are, therefore, rare.
This study shows that a total of 36 notifiable diseases account for nearly all the reported deaths in Nigeria. When ranked by magnitude, measles, malaria, pneumonia, tetanus, dysentery and tuberculosis together account for 85% of all deaths. The objective of this paper is to gain an insight into the geographical distribution of deaths arising from these six leading diseases using the administrative states as the spatial framework. The data were obtained from the Statistical Unit of the Federal Ministry of Health and the emerging pattern of mortality is highlighted. An attempt is also made to identify factors that explain the observed variations among the states and the contiguous geographical regions in the country.