Groups are determined by PRECIPITIN test, serologic test to measure a specific reaction between antigen (C carbohydrate, located in the cell wall) and antibody which results in a visible precipitate. Group A Streptococci (Streptococcus pyogenes) is among the most important human pathogens.
Answers.comÂ® is making the world better one answer at a time. Striking an object is the leading cause of pwc accidents on boats.
The table and chart below shows that by far the most common cause of accidental child deaths (under 15s) is transport accidents. These include air, sea, and rail accidents as well as car crashes, cycling accidents and pedestrian deaths. However, the number of accidents in air and on sea represent a very small proportion â the majority of transport accidents are âland transportâ which includes road, rail, pedestrian and cycle.