6 in 60: Number 42 – MRSA

You’ve probably heard of MRSA before, it’s made the news several times but here’s a little more information about this bad bacteria!

  1. MRSA is methicillin-resistant Staphylococcus aureus, a potentially dangerous type of staph bacteria that is resistant to certain antibiotics and may cause skin and other infections
  2. Staphylococcus aureus are spherical gram-positive bacteria (it has a very thick peptidoglycan layer), which are immobile and form grape-like clusters.
  3. About 1 in 3 people carry staph bacteria harmlessly on their skin.
  4. Up to 1 in every 30 people are colonised by MRSA bacteria. Like other types of staph bacteria, it’s usually harmless and not a cause for concern for most healthy people. However, it can cause problems if it’s able to enter the body or it infects someone in poor health.
  5. MRSA bacteria are usually spread through skin-to-skin contact with someone who has an MRSA infection or has the bacteria living on their skin.
  6. MRSA is common in hospitals, this can be because you have lots of people and unwell people are more susceptible to MRSA infection.

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The Sources

The first comes from the CDC fact sheet on MRSA. The second comes from microbe wiki. The last 4 come from the nhs guidance page on MRSA infection.

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