Respuesta :
Some drug-resistant microorganisms were present at the outset of treatment, and their frequency grew due to natural selection.
Staphylococcus aureus :
Staphylococcus aureus is a Gram-positive spherically shaped bacterium that belongs to the Bacillota and is a common member of the body's microbiota, commonly found in the upper respiratory tract and on the skin.
What disease does S. aureus cause?
It is the most common cause of skin and soft tissue infections like abscesses (boils), furuncles, and cellulitis. Although the majority of staph infections are minor, S. aureus can cause serious infections such as bloodstream infections, pneumonia, and bone and joint infections.
How do you get Staphylococcus aureus?
These bacteria are spread through direct contact with an infected person, through the use of a contaminated object, or through inhaling infected droplets distributed by sneezing or coughing. Although skin infections are common, bacteria can move through the bloodstream and attack distant organs.
To know more about bloodstream :
https://brainly.com/question/10590212
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