1.   In severe infections the entire body will be covered with the parasites, and the fishes will appear almost white.

2.   The main cause of death is the destruction of the gut lining, which results in severe infection.

3.   In severe infections, diarrhoea is the most prominent clinical sign.

4.   In the absence of a good history it may be impossible to differentiate this syndrome from the early stages of a severe primary infection.

5.   In severe infections, diarrhoea, which may contain blood and in which worms may be found, is the most common clinical sign.

6.   In less severe infections the adult worms cause a haemorrhagic tracheitis with excess mucus production which leads to partial occlusion of the airways and difficulty in breathing.

7.   In longer established severe infections signs are present even in the resting dog.

8.   Although healthy people are generally not harmed by serratia, it can cause a severe infection or even death in sick people.

9.   An Arlington, Texas, woman first learned she had diabetes when she developed a severe fungal infection in her sinuses following the extraction of an abscessed tooth.