Plague, pneumonia, salmonellosis and syphilis: bacterial diseases

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plague: caused by Yersina pestis, this penetrates the body through lesions caused by infected animals (such as the mouse flea, Xenopsylla cheopis). Multiplying inside macrophages, its symptoms are: lymph node swelling and fever. The infection can also manifest itself in airways, causing flu-like symptoms, but with elimination of pus and blood when coughing. Without treatment, the condition evolves to death in approximately one week.
Pneumonia: with symptoms including fever, breathing difficulties, chest pain, and coughing up sputum; this disease caused by Streptococcus pneumoniae or Diplococcus pneumoniae, is transmitted through the respiratory secretions of infected people. In addition to pharmacological treatment, indicated by the physician, rest is necessary.
salmonellosis: Caused by bacteria of the Salmonella genus, the infection is caused by the ingestion of foods such as eggs, meat, milk and dairy products, or foods handled without proper hygiene care. Invading the digestive system, they cause fever, abdominal pain, colic and diarrhea. There is a risk of these microorganisms reaching the blood and lymphatic vessels, causing serious complications in children, elderly or immunocompromised individuals.

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Syphilis: a Treponema pallidum it manifests as the formation of hardened and less painful lesions in the genital region, which are later accompanied by lesions in the mucous membranes and skin - including the palms of the hands and feet. Fever, body and headache pain and malaise may also arise. In a third stage, if an effective treatment is not done, the bacteria reach the nervous system. Contagion occurs through unprepared sexual intercourse, with an affected individual, or expectant mother to fetus.

Self-medication can have unwanted and unanticipated effects, as the wrong medicine not only does not cure, it can worsen your health.

By Mariana Araguaia
Graduated in Biology
Brazil School Team 

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Bubonic plague
pulmonary plague


Kingdom Monera - Realms of the Living World -Biology -Brazil School

Source: Brazil School -
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