Borrelia Burgdorferi. Lyme disease is caused by a number of different strains and species of Borrelia bacteria, generally Borrelia burgdorferi in the United States and Borrelia afzelii and Borrelia garinii in Europe.epending on the strain of Borrelia, the bacteria will be more or less likely to spread through the bloodstream to distant sites in the body (Wormser, Brisson, Liveris et. al., 2008). When it does spread, it can cause arthritic, neurological, cardiovascular and other symptoms.
Some health care facilities utilize a 12-hour model for their registered nursing staff. The nurse generally works for 12 hours (usually 7 am to 7 pm or vice versa) a day for three days in a row and then has the next four days off.
Updated June 12, 2015. How many hours a week do American work? According to the Bureau of Labor Statistics (February 2015), Americans work an average of 38.6 hours per week, slightly under the 40 hours which has been traditionally considered a typical work week. Men worked an average of 41.1 hours per week. Woman worked an average of 36.4 hours per week in paid employment.