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It causes disease in poultry, [2] cattle, [3] horses, [4] and pigs. [5] Most notably, it is the agent that causes porcine exudative epidermitis, also known as greasy pig disease, in piglets. [6] S. hyicus is generally considered to not be zoonotic, [1] however it has been shown to be able to cause bacteremia and sepsis in humans. [7] [8]
Earlier still, Ignaz Semmelweis – who later died of the disease – included a section titled "Childbed fever is a variety of pyaemia" in his treatise, The Etiology of Childbed Fever (1861). Jane Grey Swisshelm , in her autobiography titled Half a Century , describes the treatment of pyaemia in 1862 during the American Civil War .
However, staph infections are still prominent and a cause for concern among healthcare professionals, especially new antibiotic-resistant strains. In the U.S., the incidence of staph infection is around 38.2 to 45.7 per 100,000 person-years, whereas other First World countries have an average incidence rate of 10 to 30 per 100,000 person-years.
Staphylococcus can cause a wide variety of diseases in humans and animals through either toxin production or penetration. Staphylococcal toxins are a common cause of food poisoning, for they can be produced by bacteria growing in improperly stored food items.
Any references on the internet to pneumonoultramicroscopicsilicovolcanoconiosis or silicosis being caused by 'sharp particles [which] lacerate lining of lungs; causing victim to leak air from their lungs while simultaneously bleeding into their lung cavity' [13] are inaccurate. Particles of a size able to enter the lung (< 10 μm ...
Changes in microbial community composition seem to play a role in progression of such pulmonary disorders as chronic obstructive pulmonary disease (COPD), asthma, and cystic fibrosis. [9] [10] In humans, S. aureus is part of the normal microbiota present in the upper respiratory tract, [11] and on skin and in the gut mucosa. [12]
Staphylococcus hominis is a coagulase-negative member of the bacterial genus Staphylococcus, consisting of Gram-positive, spherical cells in clusters. It occurs very commonly as a generally harmless commensal on human and animal skin and is known for producing thioalcohol compounds that contribute to body odour .
Streptococcus pneumoniae is the most common bacterial cause of pneumonia in all age groups except newborn infants. Streptococcus pneumoniae is a Gram-positive bacterium that often lives in the throat of people who do not have pneumonia. Other important Gram-positive causes of pneumonia are Staphylococcus aureus and Bacillus anthracis.