If these adhesions are lost, the bacteria becomes virulent. Thus, people are immunized with specific adhesions. This gives the body a chance to build immunity against the infectious bacteria. Invasiveness When bacteria is able to invade the host tissues, it can cause a generalized or localized infection. For example, a wound infections can lead to streptococcal septicemia that is a generalized infection. A Staphylococcus abscess is more of a localized infection. Toxigenicity We have already seen, bacteria are able to produce toxins that lead to an infection. There are two types of toxins produced by bacteria, these include serotoxins and end toxins.

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