Many pathogenic bacteria exist in nature as multiple antigenic types or serotypes, meaning that they are variant strains of the same pathogenic species. For example, there are multiple serotypes of Salmonella enterica based on differences in cell wall (O) antigens and/or flagellar (H) antigens.any pathogenic bacteria exist in nature as multiple antigenic types or serotypes, meaning that they are variant strains of the same pathogenic species. For example, there are multiple serotypes of Salmonella enterica based on differences in cell wall (O) antigens and/or flagellar (H) antigens.
While not from the official/government source, there are reports that some Amish use GMO seeds â BT corn (From: BBC) and nicotine-free tobacco (From: Wired). Whatâs interesting, this BBC video actually shows a horse drawn carriage with a chemical cistern mounted on the top, used to spray chemicals on the fields.
According to the World Health Organization, or WHO, genetically modified foods were introduced to the market in the mid-1990s with herbicide-resistant soybeans. The most common genetically modified foods are corn, canola, soybean and cotton, which is used to make cottonseed oil.