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One Health Approach to Sporothrix brasiliensis: Disinfection Strategies for Control and Prevention
Regielly Caroline Raimundo Cognialli1,2, Flávio Queiroz-Telles3, Giovanna Carnieri Daitschman Santos4
1Universidade Federal do Paraná, Hospital de Clínicas, Curitiba, PR, Brasil.
Effective disinfection is crucial for preventing sporotrichosis transmission. Bleach and 70% ethanol are highly recommended for eliminating Sporothrix brasiliensis from contaminated surfaces in homes and clinics.
Area of Science:
- Mycology
- Infectious Diseases
- Environmental Hygiene
Background:
- Sporotrichosis is a neglected tropical disease caused by Sporothrix species.
- Sporothrix brasiliensis is the most virulent species.
- Transmission occurs via infected cats and contaminated fomites.
Purpose of the Study:
- To evaluate the efficacy of various disinfectants against Sporothrix brasiliensis.
- To determine optimal disinfection strategies for household and clinical settings.
Main Methods:
- Testing disinfectants (70% ethanol, bleach, quaternary ammonium compounds, laundry soap) on contaminated surfaces (MDF, tiles, stainless steel, fabric).
- Simulating domestic and clinical environments.
- Assessing fungal viability after disinfection treatments.
Main Results:
- 70% ethanol and sodium hypochlorite (bleach) demonstrated the highest efficacy in eliminating S. brasiliensis.
- Bleach showed superior effectiveness, while 70% ethanol performed well across tested surfaces.
- Disinfectant effectiveness varied with surface type and exposure duration.
Conclusions:
- Disinfection plays a vital role in controlling environmental transmission of sporotrichosis.
- Implementing effective disinfection protocols is essential for public and animal health safety.
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