Long Island residents under age 30 represented the largest share of new coronavirus cases since June — more than 40% — as many young people attended more social events and let down their guard against the virus, according to county health officials and data.
In Suffolk, people under 30 accounted for 46.7% of coronavirus cases reported between June 20 and Sept. 21, county health department data shows. The average age of people who tested positive for the virus in September was 32, compared with 42 in June, the data shows.
In Nassau, people under 30 were responsible for 38.8% of new cases between May 29 and Sept. 21, according to the Nassau County health department.
Among all age groups the rate of new infections in Nassau and Suffolk is about 1%, officials said.
The data showing the rising number of cases among young people comes as many of them return