5 more measles cases bring Chicago’s outbreak total to 31

Children ages 4 and younger account for 21 of the city’s total cases, according to the Chicago Department of Public Health. Officials say vaccination is the best way to prevent measles and stop its spread.

SHARE 5 more measles cases bring Chicago’s outbreak total to 31
The gloved hand of a registered nurse draws a dose of mumps-measles-rubella vaccine into a syringe.

So far this year, the CDC has reported 64 measles cases in the U.S. as of March 21; for all of 2023, there were 58 cases nationally.

Associated Press

Five more measles cases were reported by Chicago health officials Tuesday.

The city has reported 31 measles cases since an outbreak in early March. Those were the first cases of the disease detected in Chicago since 2019.

Children ages 4 and younger account for 21 of the city’s total cases, according to the Chicago Department of Public Health.

Many of the measles cases have been reported at a migrant shelter in Pilsen, where residents were urged to receive a second dose of the measles vaccine 28 days after the first shot, health officials said Monday.

The 31 measles cases in Chicago make up almost all of the cases this year in Illinois. Lake and Will counties each have reported one case, according to the Illinois Department of Public Health.

Illinois hasn’t had this many measles cases in a year in at least 15 years, according to the IDPH. The most recent year with double-digit cases was 2015, when 17 measles cases were reported in the state.

Cases of the disease have soared this year, with the U.S. Centers for Disease Control and Prevention reporting 64 measles cases in the U.S. as of March 21. The agency reported 58 cases in all of 2023.

Symptoms including high fever, cough, runny nose, and red or watery eyes can emerge within a week or two of exposure to the virus, according to the CDC. A rash can appear three to five days after initial symptoms begin.

The “highly infectious” virus is spread through coughing, sneezing or contact with an infected person, and the virus can live for up to two hours in the air after an infected person has left a space, according to the CDC. Those with the virus can spread it up to four days before and after a rash appears, and 90% of people without immunity who are exposed to the virus become infected.

Health officials say vaccination is the key way to avoid getting measles and spreading it.

A CDC team has been assisting the city in responding to the infections.

Chicago measles coverage
The case has no known connection to the Chicago measles outbreak at a migrant shelter, according to health officials.
Three cases were detected in the last week after the city recorded more than 50 in less than a month.
The resident was exposed during their time at a migrant shelter. They have recovered and are no longer contagious, the Cook County Department of Public Health said.
The Chicago Department of Public Health would not reveal the number of TB cases or identify shelters. A health department spokesperson said, “I would not characterize this as an outbreak.”
Children ages 4 and younger account for 21 of the city’s total cases, according to the Chicago Department of Public Health. Officials say vaccination is the best way to prevent measles and stop its spread.
Residents at the Pilsen migrant shelter should receive a second measles shot 28 days after their first one, the city’s Department of Public Health advised.
The city began evicting migrants from its 23 shelters, affecting potentially 2,000 people by the end of April. Alderpersons are calling for a halt and greater transparency.
The newest cases were both in children 4 years or younger, the same age group that has accounted for more than half of the city’s cases.
Dozens of adults were expected to be evicted Sunday, amid an outbreak of measles, but just three were. They will be able to reapply for shelter at the city’s designated ‘landing zone.’
Beginning with 35 individuals Sunday, more than 2,000 people will be evicted by the end of April, the city announced Friday. Families will get a break until the end of the school year.
An untold number of migrants are expected to have to leave shelters Saturday, and what comes next is a mystery to many — perhaps “la calle,” one man said, gesturing toward Halsted Street.
Earlier this week, Chicago Public Schools learned of a positive measles case involving a student at Philip D. Armour Elementary School, and the Chicago Department of Public Health confirmed another case at Cooper Dual Language Elementary Academy.
Illinois is one of 17 states in which dozens of measles cases have been reported this year, including eight cases in a Chicago migrant shelter.
Chicago’s mayor said the 60-day limit on shelter stays would, after previous delays, finally be enforced Saturday, impacting potentially thousands. There would, however, continue to be exemptions.
The Illinois Health Department said Tuesday it would mobilize resources to help Chicago and Cook County contain the spread of the virus.
The newest cases were both in adults at the shelter. The city’s total number of cases is up to five, the city health department says. More than 900 residents of the shelter were vaccinated over the weekend and are being quarantined for 21 days.
The city health agency is currently screening other residents of the shelter at 2241 S. Halsted St. and those who may have come in contact with the children while they were contagious, officials said in a Sunday news release.
Dozens gathered Saturday in Pritzker Park to protest Mayor Brandon Johnson’s long-delayed plan to evict migrants living in shelters longer than 60 days. The order will go into effect March 16.
Chicago health department officials said the patient has recovered and is no longer contagious. The shelter is on lockdown until residents are vaccinated, officials said.
Measles is a highly transmissible respiratory disease that can be prevented through the MMR vaccine.
None of the 23 measles cases in the U.S. between Dec. 1 and Jan. 23 were in Illinois. But the first measles cases since 2019 were reported in Cook County last year, and Illinois has seen an alarming uptick in the number of schools with low vaccination rates.
The person, who was exposed to the virus in another country, was unvaccinated, the IDPH said.

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