U.S. National Library of Medicine - The World's Largest Medical Library

MRSA is methicillin-resistant Staphylococcus aureus, Staphylococcus resistant to some antibiotics. In the general community, MRSA most often causes skin infections. In some cases, it can cause pneumonia (pulmonary infection) and other problems.

If left untreated, MRSA infection may be severe and may cause sepsis - a fatal response to severe infection

In medical environments such as hospitals and nursing care facilities, MRSA can cause serious problems such as blood infection, pneumonia, and surgical site infection. MRSA Disease Control and Prevention Center - Disease Control and Prevention Center

This is a method for staining and identification of bacteria (named after Danish bacteriologist Hans Christian Gram).

Infection by bacteria holding crystal violet staining (positive) when treated with Gram stain

Immune cells are one of the first cell types to reach the site of infection. Neutrophils help fight infection by ingesting microorganisms and releasing enzymes that kill microorganisms. Neutrophils are a kind of white blood cells, granulocytes, phagocytes.

Pneumonia is an infection of one or both lungs. Many bacteria, such as bacteria, viruses, fungi, can cause pneumonia

According to the National Medical Library (NLM), the spleen is on the left side of the body just above the kidneys and is the largest lymphoid organ. "The spleen functions as a blood filter and controls the amount of erythrocytes and blood stored in the body and helps prevent infections," said Jordan Norton, senior nurse at the University of Florida Health Shadows. . When the hospital spleen detects potentially dangerous bacteria, viruses or other microbes in the blood, it produces white blood cells called lymphocytes together with the lymph nodes. This serves as a defense against intruders. Lymphocytes produce antibodies to kill foreign microbes and prevent the spread of infection. Those who have lost the spleen due to illness or injury are more likely to be infected, but humans can live without the spleen.

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