Why is MRSA resistant to most Antibiotics? By Kulsum Salamut

What is MRSA?

MRSA is short for Methicillin Resistant Staphylococcus Aureus, it is a bacterial infection in which the bacteria is usually found on the skin. This type of infection cannot be treated with most antibiotics.

When did MRSA develop?

MRSA first became noticeable in the early 1960's. Over the years, the constant use of antibiotics has led to the bacteria growing new characteristics which help it reduce the effect of the antibiotic.

What is Bacteria?

Bacteria Structure

Bacteria come in two categories: Gram positive and gram negative.

Gram positive bacteria have a basic structure with a thick peptidoglycan layer and gram negative bacteria have a lipid membrane, thin peptidoglycan layer and outer lipid membrane.

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Created with images by NIAID - "Methicillin-Resistant Staphylococcus aureus (MRSA)"

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