Pennsylvania’s health department issued a health alert Monday as cases of measles in pregnancy and congenital measles have continued to increase. Before the current outbreak, which continues to rage across the state, congenital measles cases had not been seen in decades, the department noted in its advisory. The alert included detailed clinical guidance for managing measles exposures and cases during pregnancy as well as cases in newborns. Many doctors have never seen such cases in their careers given the decades of successful use of the measles, mumps, and rubella (MMR) vaccine. But now, with vaccination rates slipping nationwide, the highly infectious virus is able to get footholds in communities and spread rapidly through under-vaccinated pockets, as is happening in Pennsylvania. As of October 19, Pennsylvania had reported 1,286 measles cases this year across 42 counties. Of those, 247 have been hospitalized, and six people have reportedly died, though the latest reported death is still pending an investigation by the state health department before it is added to the state tally.
Pennsylvania health alert warns of congenital measles resurgence tied to falling vaccination rates
State reports 1,286 measles cases this year, with congenital cases now seen for first time in decades
Analysis
Why This Matters
- Congenital measles poses serious risks to pregnant people and newborns, including premature birth and severe complications for the infant.
- The re-emergence of a condition thought eliminated in the US signals that slipping vaccination rates are having real-world health consequences.
- This trend may prompt other states with large measles outbreaks to issue similar alerts and evaluate their vaccination policies.
Background
Measles is a highly contagious viral disease that can cause severe complications, especially in young children and pregnant women. The MMR vaccine, introduced in the US in 1971, led to the elimination of endemic measles in 2000. However, concerns about vaccine safety, fueled by misinformation, have contributed to declining vaccination rates in some communities. Herd immunity requires about 95% vaccination coverage to prevent spread; pockets of under-vaccination have allowed measles to resurge.
Key Perspectives
Public Health Officials: The Pennsylvania Department of Health is emphasizing the link between falling vaccination rates and the resurgence of congenital measles. They stress the importance of MMR vaccination to protect both mothers and infants, and have issued clinical guidance to healthcare providers on managing cases during pregnancy and in newborns.
What to Watch
- Whether other states with declining vaccination rates begin to report congenital measles cases.
- The completion of the investigation into the latest reported death, which could confirm the causal connection to the outbreak.
- Further guidance from the Centers for Disease Control and Prevention (CDC) on managing measles in pregnancy and newborns.
Sources
- Pennsylvania issues alert on congenital measles—something US hasn't seen for decades · Ars Technica - All content
Checked
9 claims in this story checked against 1 source: 9 supported.
Show each claim
- SupportedPennsylvania health alert warns of congenital measles resurgence tied to falling vaccination rates.Ars Technica - All content: “with vaccination rates slipping nationwide, the highly infectious virus is better able to get footholds in communities and spread rapidly through under-vaccinated pockets, as is happening in Pennsylvania.”
- SupportedState reports 1,286 measles cases this year as of October 19.Ars Technica - All content: “As of October 19, Pennsylvania had reported 1,286 measles cases this year across 42 counties.”
- SupportedCongenital measles cases were not seen for decades before the current outbreak.Ars Technica - All content: “Before the current outbreak—which continues to rage across the state—congenital measles cases hadn't been seen in decades, the department noted in its advisory.”
- Supported247 measles cases have been hospitalized.Ars Technica - All content: “Of those, 247 have been hospitalized, and six people have reportedly died”
- SupportedSix people have reportedly died, with the latest death pending investigation before being added to the state tally.Ars Technica - All content: “six people have reportedly died (though the latest reported death is still pending an investigation by the state health department before it is added to the state tally).”
- SupportedThe alert included detailed clinical guidance for measles exposures and cases during pregnancy and in newborns.Ars Technica - All content: “The alert included detailed clinical guidance for managing measles exposures and cases during pregnancy as well as cases in newborns.”
- SupportedMany doctors have never seen such cases in their careers because of decades of successful MMR vaccine use.Ars Technica - All content: “Many doctors have never seen such cases in their careers given the decades of successful use of the measles, mumps, and rubella (MMR) vaccine.”
- SupportedVaccination rates are slipping nationwide, allowing the virus to spread through under-vaccinated pockets, as is happening in Pennsylvania.Ars Technica - All content: “with vaccination rates slipping nationwide, the highly infectious virus is better able to get footholds in communities and spread rapidly through under-vaccinated pockets, as is happening in Pennsylvania.”
- SupportedThe current outbreak has fueled the re-emergence of congenital measles.Ars Technica - All content: “Before the current outbreak—which continues to rage across the state—congenital measles cases hadn't been seen in decades, the department noted in its advisory.”