*Adapted from the National Dysphagia Diet: Standardization for Optimal Care. American Dietetic Association Â© 2002. Level 2 Dysphagia Mechanically Altered*. This diet consists of foods that are moist, soft-textured and easily formed into a bolus. All. foods on Level 1 are allowed. Meats and other select foods may be ground or minced into. small pieces no larger than Â¼â.
Causes. Rheumatic fever can occur after an infection of the throat with a bacterium called Streptococcus pyogenes, or group A streptococcus.Group A streptococcus infections of the throat cause strep throat or, less commonly, scarlet fever.heumatic fever can occur after an infection of the throat with a bacterium called Streptococcus pyogenes, or group A streptococcus.
Many people think that Lyme disease is caused by ticks. However, it is actually a disease caused by a bacterium called Borrelia burgdorferi. The bacteria is transmitted to humans via tick bites, so people associate ticks with Lyme disease.This way of disease transmission is a classic example of parasitology involving several organisms:owever, it is actually a disease caused by a bacterium called Borrelia burgdorferi. The bacteria is transmitted to humans via tick bites, so people associate ticks with Lyme disease. This way of disease transmission is a classic example of parasitology involving several organisms: