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Montana DPHHS: Chickenpox cases up among youth – Daily Montanan [1]

['Daily Montanan Staff', 'More From Author', '- May']

Date: 2023-05 

The Montana Department of Public Health and Human Services counted 18 cases of chickenpox reported in early 2023 compared to just six cases over the same period last year, the agency said in a news release about the increase in infections in school-aged children.

The department characterized the increase as a 200% rise from the same period last year; a spokesperson said the data is from Jan. 1, 2023, to the middle of May.

At least half of these infections were acquired from an adult family member with shingles, DPHHS said. Chickenpox, or varicella, can be a serious illness and is easily preventable with vaccination.

The illness can be life-threatening, especially in babies, adolescents, adults, pregnant women and people with weakened immune systems, DPHHS said. The vaccine is excellent at preventing chickenpox by providing 98.3% effectiveness.

“The best way to protect yourself and your child from chickenpox is vaccination,” says Jessica Lopeman, a registered nurse and epidemiologist with DPHHS, in the news release.

In 2022, there were 23 reported cases of chickenpox in Montana, DPHHS said. Cases ranged in individuals from age 1 to more than 65. One infant and one young adult required hospitalization.

Early numbers from 2023 show no known hospitalizations. Shingles is not a reportable condition; therefore, DPHHS does not have data the number of cases last year in Montana.

Shingles is a reactivation of the varicella virus, the virus that causes chickenpox. It occurs in one of 3 persons who have had chickenpox in their lifetime. Shingles has a rash that presents as red bumps and blisters, usually in a narrow area on one side of the body. This rash may be itchy or painful and is contagious until it has scabbed over completely and can be transmitted by direct contact.

However, the virus is almost exclusively transmitted to people who are not vaccinated for chickenpox or have never had it in the past.

Transmission of the virus may be prevented by covering the shingles rash to prevent contact. The incidence of shingles increases with age, and vaccination against shingles is recommended for persons 50 years and older.

Chickenpox is an illness with a rash and a fever. Like shingles, chicken pox is also caused by the varicella virus. The rash usually appears 14 to 16 days following exposure to the varicella virus, but can be as early as 10 days or as long as 21 days.

It is highly contagious to those who are not immune, especially those who have not been vaccinated with two doses of chickenpox vaccine.

“With the recent rise in cases related to shingles exposures, DPHHS is reminding parents and grandparents that shingles can cause chickenpox in unvaccinated persons who have not previously had the virus,” Lopeman said. “It’s important that children are up-to-date on vaccines, including the chickenpox vaccine, and if someone does develop shingles, keep the shingles rash covered to prevent exposure and transmission of the varicella virus.”

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