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.
Such losses severely impact operational readiness. Recreational mishaps, after motor vehicle mishaps, are the leading cause of death for off-duty Navy personnel. Approximately 15 drowning occur each year during recreational activities. Falls are the second leading cause of death. Team sports produce more injuries than any other recreational activity. Many recreational mishaps report alcohol as a contributing factor; nearly all involve human error.