Chicago police are investigating a homicide case after a man was found fatally shot in the head in the Garfield Ridge neighborhood on Monday evening, officials said.A man of unknown age was found with a gunshot wound to the head near a sidewalk in the 5300 block of South Cicero Avenue around 5 p.m. Monday, according to a media notification from Chicago police. The man was pronounced dead at the scene, police said. According to the Cook County medical examiner’s office, the man was located at 530

Classes at Naperville North High School were postponed Wednesday morning so an undisclosed threat could be investigated, Naperville School District 203 officials said.... Anyone already at school was transported to Naperville Central High School so their parents could pick them up or transportation arranged, officials said.No one is being allowed inside the building other than those involved in the investigation, Mayster said.... The district will not comment further while the investigation is

The short answer is that there’s no rule, according to Dr.... Mary Hayden, a professor at Rush University and head of the university’s Division of Infectious Diseases.... Even if a test isn’t perfect, “ this doesn’t mean it can’t be used in an educated way, ” he said. Despite being more reliable, PCR tests are slower than rapid tests, taking 24 to 48 hours to provide results....