15 COVID-19 outbreaks reported in McHenry County schools this month; 2 reported in Lake County schools
The state health department has reported 15 outbreaks of COVID-19 in schools in McHenry County and two outbreaks in schools in Lake County so far in September.
The Illinois Department of Public Health (IDPH) provides data on school outbreaks in an online dashboard, which is updated weekly.
The HDI includes outbreaks “which have been identified by the local health department as having at least two cases of COVID-19 which may have shared exposure on school grounds and which originate from different households.”
According to data updated Friday, McHenry County K-12 schools with outbreaks include Chauncey H. Duker School, Conley Elementary School, Edgebrook Elementary School, Greenwood Elementary School, School Hannah Beardsley Middle School, Harry Jacobs High School, Johnsburg High School, Marengo Community High School, Martin Elementary School, Prairie Grove Junior High School, Spring Grove Elementary School, St. John the Baptist Catholic School, and Valley View Elementary School.
Two outbreaks were reported this month at Chauncey H. Duker School and Hannah Beardsley Middle School.
The first outbreak in Chauncey H. Duker earlier in the month had 5-10 cases while the second outbreak later in the month had less than 5 cases.
In Hannah Beardsley, the first outbreak had less than 5 cases and the second outbreak had 5-10 cases.
5 to 10 cases have been reported at Conley Elementary School. All other schools have experienced outbreaks of less than 5 cases, the data shows.
Only students were among the cases reported in the first Chauncey H. Duker outbreak and the two Hannah Beardsley outbreaks.
The cases of Greenwood Elementary School, Harry Jacobs High School, Marengo Community High School, Martin Elementary School, Prairie Grove High School and St. John the Baptist Catholic School also concerned only pupils.
Staff and students were among the reported cases during the second Chauncey H. Duker outbreak, along with Conley Elementary School, Johnsburg High School and Valley View Elementary School.
Only staff were among the cases reported at Edgebrook Elementary School and Spring Grove Elementary School.
The data shows that all of the outbreaks except those at Johnsburg High and Prairie Grove Junior High occurred in classrooms.
The outbreak at Johnsburg High originated in school sponsored sports and the outbreak at Prairie Grove High originated on a bus.
Schools in Lake County K-12 that have experienced outbreaks are Cherokee Elementary School and Lakes Community High School.
Outbreaks in both schools had less than 5 cases among students and originated from classrooms.
Data shows that cases among 5-22 year olds have increased since July but have recently started to decline.
As of Tuesday, the positivity rate for Region 9, which includes Lake and McHenry counties, was 3.5%.
Data on Thursday shows that the availability of intensive care unit (ICU) beds for the two counties was 16%. The availability of intensive care beds has been below the 20% threshold for 12 consecutive days since September 12.
Hospitalizations in both counties began to decline on September 14.
55.51% of the population of McHenry County and 57.34% of the population of Lake County are fully vaccinated, according to state data.
As of Thursday, the number of COVID-19 patients hospitalized for the state fell to 1,926.
64.23% of Illinois residents over 12 are fully vaccinated, 65.67% of Illinois residents over 18 are fully vaccinated, and 82.23% of Illinois residents over 65 years of age are fully vaccinated.