Antimicrobial resistance: Canadian Antimicrobial Resistance Surveillance System (CARSS)
This dashboard presents integrated information from PHAC surveillance systems on antimicrobial resistance data for priority pathogens.
- Last updated: 2024-11-28
Antimicrobial resistance (AMR) occurs when bacteria, viruses, fungi, and parasites change over time and no longer respond to medicines making infections difficult to treat and increasing the risk of disease spread, severe illness and death.
AMR happens naturally, but the inappropriate use of antimicrobials in people, animals and plants is increasing the problem. AMR pathogens can spread easily among people and animals.
The Canadian Antimicrobial Resistance Surveillance System (CARSS) integrates and synthesizes information from various surveillance systems and laboratory reference services covering humans, animals and food to present data on AMR and antimicrobial use in the human (hospital and community) and animal settings.
Key findings
Several 5-year AMR indicators continue to worsen between 2018 and 2022. Please visit Canadian Antimicrobial Resistance Surveillance System (CARSS): 2024 Key findings for a complete summary.
Pathogen watchlist
| Key trends of antimicrobial resistance | Time period | Five-year trend summary | |
|---|---|---|---|
| Methicillin-resistant Staphylococcus aureus bloodstream infections (Healthcare-associated) | 2018-2022 | Stable | |
| Methicillin-resistant Staphylococcus aureus bloodstream infections (Community-associated) | 2018-2022 | Trending up | |
| Vancomycin-resistant Enterococcus | 2018-2022 | Trending up | |
| Candida auris infections | Not available | ||
| Carbapenemase-producing Enterobacterales infection | 2018-2022 | Trending up | |
| Clostridioides difficile infections | 2018-2022 | Stable | |
| Drug-resistant Mycobacterium tuberculosis infections | 2018-2022 | Stable | |
| Drug-resistant Neisseria gonorrhoeae infections | 2018-2022 | Trending up | |
| Multidrug-resistant vaccine-preventable invasive Streptococcus pneumoniae infections | 2018-2022 | Trending up | |
| Drug-resistant invasive Group A Streptococcal infections | 2018-2022 | Trending up | |
| Resistant typhoidal and non-typhoidal Salmonella enterica infections | 2019-2023 | Trending up | |
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