In some ways the dangers are different, perhaps more manageable in some cases. For wet markets, it's the unknown from nature. In the case of Domesticated market

In some ways the dangers are different, perhaps more manageable in some cases. For wet markets, it's the unknown from nature. In the case of Domesticated markets, it is more typically an issue either from failures in procedure (i.e. e.coli/listeria/salmonella) or because of over-industrialization (Mad Cow Disease)