Minnesota confirms 21 cases of measles

The Minnesota Department of Health reported on Thursday that there are now 21 confirmed cases of measles.

An increase of one confirmed case from the previous week, the outbreak has affected people ranging in age from four months to 51 years of age, reports.

Out of the 21 cases, 17 have been linked to an incident that occurred in February, when a two-year-old from Minneapolis was infected on a trip to Kenya. One case was contacted in Florida and one in India. The infection source for the other cases is currently unknown, according to

Although a highly contagious disease, measles can be prevented with the proper immunization. Seven of the people infected, however, were children younger than 12 months, the minimum required age to receive either the MMR or MMRV vaccine, according to the Centers for Disease Control.

Out of the remaining cases, eight were old enough to receive the vaccine but were not immunized, one was already vaccinated and the immunization status of the other four is still unclear, health officials report.

Since the outbreak, 13 people have been hospitalized, but no deaths have been reported.

Minnesota’s outbreak comes at a time when Utah has reported nine confirmed measles cases as of Wednesday.