How does the climate crisis is already affecting food safety?
Although it is hard to believe, the climate crisis poses a significant increase in the risk of?food safety?since some microorganisms may thrive under these new conditions.?
For example, a few decades ago, vibriosis was an endemic disease in certain regions. However, driven by climate change, it has spread to other countries, causing new outbreaks. The reason for this is a rise in the temperature of oceans, which facilitates the reproduction of species of the?Vibrio?spp. genus.??
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Vibrio?spp. and shellfish?
The fishing industry is the most affected by these bacteria, whose natural environment is usually both fresh and salt waters, preferring slightly saline and warm conditions.?
These pathogens are usually found in shellfish, as?they concentrate and multiply in the gut of?molluscs, such as oysters, clams, and mussels. However, there is also a risk of infection due to exposure to contaminated waters, so the importance of this issue is both environmental and clinical.??
The most common pathogenic species are?V. cholerae,?V. parahaemolyticus,?V.?alginolyticus, and?V. vulnificus.?Vibrios?are commonly classified into?cholerae and non-cholerae. This distinction is important as it determines the origin of the infection, which is usually different.?
The clinical condition of infections caused by?Vibrio?spp. usually includes gastroenteritis and, to a lesser extent, sepsis. However, depending on the species that cause the infection, other symptoms may occur. The CDC estimates that these Gram-negative bacilli infect 80,000 people annually, and almost?70% of cases are foodborne infections.??
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How is Vibrio detected??
Recently, the standardized method for the detection of?Vibrio?spp., including the?pathogen?V. vulnificus, has been reviewed. This method includes the use of?media with a high pH, which benefit from the capacity of this microorganism to grow rapidly under these conditions:?
As usual, in ISO methods, a?second selective medium?is required for isolation. For this purpose, we recommend?our?CondaChrome? Vibrio?to achieve a?preliminary result and easy identification?of the different species that would grow in specific colors:??
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