How does Staphylococcus aureus cause infection?

2021-06-29

How does Staphylococcus aureus cause infection?

These bacteria are spread by having direct contact with an infected person, by using a contaminated object, or by inhaling infected droplets dispersed by sneezing or coughing. Skin infections are common, but the bacteria can spread through the bloodstream and infect distant organs.

What does a staph aureus infection look like?

The symptoms of a staph infection depend on the type of infection: Skin infections can look like pimples or boils. They may be red, swollen, and painful. Sometimes there is pus or other drainage.

What infections does Staphylococcus aureus?

It is the leading cause of skin and soft tissue infections such as abscesses (boils), furuncles, and cellulitis. Although most staph infections are not serious, S. aureus can cause serious infections such as bloodstream infections, pneumonia, or bone and joint infections.

How does the body react to Staphylococcus aureus?

The immune response against S. aureus involves activation of both the innate and adaptive immune systems. As the first line of defense against infections, the innate immune response is rapidly activated by pattern recognition pathways that detect non-specific markers of microbial infection.

How do staph infections start?

The infection often begins with a little cut, which gets infected with bacteria. This can look like honey-yellow crusting on the skin. These staph infections range from a simple boil to antibiotic-resistant infections to flesh-eating infections.

What are the food sources of staphylococcus?

The foods that have been most frequently implicated in cases of staphylococcal food poisoning are poultry and cooked meat products such as ham or corned beef. Other foods implicated were milk and milk products, canned food and bakery products.

What kills Staphylococcus aureus?

Hydrogen peroxide kills Staphylococcus aureus by reacting with staphylococcal iron to form hydroxyl radical. J Biol Chem.

Who is at risk for Staphylococcus aureus?

Anyone can develop a staph infection, although certain groups of people are at greater risk, including people with chronic conditions such as diabetes, cancer, vascular disease, eczema, lung disease, and people who inject drugs.