US health officials are reporting a rise in mumps cases, raising concerns about the resurgence of a disease previously controlled by vaccination. Data indicates an increase in cases across multiple regions. According to the Maryland Department of Health, 26 cases of mumps were recorded by the middle of February, including 19 confirmed and 7 probable cases.

The Centers for Disease Control and Prevention (CDC) reported 34 cases in 11 regions by the end of February. Additional cases were identified in Estonia, with two recorded in 2025 – one in Lääne-Viru and the other in Jõgeva County. Mumps was once a common childhood disease.

Following the approval of the first vaccine in 1967, the number of cases decreased significantly. CDC data shows a decline from 152,209 cases in 1968 to 231 cases in 2003. Since 2006, the number of outbreaks has been on a growth trend.

Experts are investigating the reasons behind this resurgence. Mumps is a viral disease characterized by fever, swollen salivary glands, and other symptoms. Its spread is difficult to control due to waning immunity and decreased vaccination rates.

Individuals without immunity, including young children and those who have not received the vaccine, are most at risk. Dr. Leana Wen, an emergency medicine doctor and clinical associate professor at George Washington University, has offered insights into the disease and the challenges in preventing its spread.

Topics: #disease #cases #health

2 thoughts on “A long-forgotten disease is spreading again – even vaccinated people can get infected”
  1. This is a worrying trend that highlights the ongoing need for vigilance and continued vaccination efforts.

  2. What factors are contributing to the increased susceptibility to mumps among vaccinated individuals?

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