Background. Infection with Streptococcus pyogenes, a beta-hemolytic bacterium that belongs to Lancefield serogroup A, also known as the group A streptococci (GAS), causes a wide variety of diseases in humans.
Elm Grove is a village in Waukesha County, Wisconsin, United States. The population was 6,249 at the 2000 census. Elm Grove is located at 43Â°2â²52â³N 88Â°5â²12â³W / 43.04778Â°N 88.08667Â°W / 43.04778; -88.08667 (43.047662, -88.086750). According to the United States Census Bureau, the village has a total area of 3.3 square miles (8.4 kmÂ²), all of it land.
For the adjacent town, see Cedarburg (town), Wisconsin. Cedarburg is a city in Ozaukee County, Wisconsin, United States. It is located about 20 miles (32 km) north of Milwaukee and near the shores of Lake Michigan. The city is bordered by the village of Grafton to the east and the Town of Cedarburg elsewhere. The population was 11,412 at the 2010 census.