Centers for Disease Control and Prevention (CDC) categorizes germs into three main categories

The Centers for Disease Control and Prevention (CDC) categorizes germs into three main categories—urgent, serious, and concerning—based on their potential to cause public health threats and the urgency of action required to address them. Additionally, the CDC maintains a watch list of pathogens that are closely monitored due to emerging resistance or other factors. Here's an overview of each category along with examples:

  1. Urgent Threats:
    • Urgent threats are pathogens that pose an immediate public health risk due to their high levels of antibiotic resistance, limited treatment options, and potential for widespread transmission.
    • Examples include:
      • Carbapenem-resistant Acinetobacter
      • Drug-resistant Candida Auris
      • Clostridioides difficile
      • Carbapenem-resistant Enterobacteriaceae (CRE)
      • Drug-Resistant Neisseria Gonorrhoeae
  2. Serious Threats:
    • Serious threats are pathogens that are moderately resistant to antibiotics and have the potential to cause significant morbidity and mortality if not addressed promptly.
    • Examples include:
      • Drug-resistant Campylobacter
      • Drug-Resistant Candida Species
      • Extended-Spectrum Beta-Lactamase Producing Enterobacteriaceae
      • Vanomycin-Resistant Enterococci (VRE)
      • Multidrug-Resistant Pseudomonas Aeruginosa
      • Drug-Resistant Non-Typhoidal Salmonella
      • Drug-Resistant Salmonella Serotype Typhi
      • Drug-Resistant Shigella
      • Methicillin-Resistant Staphylococcus Aureus (MRSA)
      • Drug-Resistant Streptococcus pneumoniae
      • Drug-Resistant Tuberculosis (TB)
  3. Concerning Threats:
    • Concerning threats are pathogens that have the potential to develop antibiotic resistance and cause infections that are difficult to treat.
    • Examples include:
      • Erythromycin-Resistant Group A Streptococcus
      • Clindamycin-Resistant Group B Streptococcus
  4. Watch List:
    • The CDC's watch list includes pathogens that are closely monitored due to emerging resistance patterns, potential for transmission, or other factors that warrant surveillance and intervention.
    • Examples include:
      • Antimicrobial-Resistant Aspergillus
      • Mycoplasma genitalium
      • Pertussis

These categorizations help guide public health efforts to combat antimicrobial resistance, prevent outbreaks, and develop strategies for surveillance, prevention, and control. The CDC regularly updates these lists based on emerging threats, surveillance data, and advancements in antimicrobial resistance research.

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