DOVER, Del. (Jan. 11, 2024) – The Delaware Division of Public Health (DPH) is reporting a potential measles exposure at the Nemours Children’s Hospital in Wilmington on December 29, 2023. An extensive contact tracing investigation identified between 20-30 people exposed to the individual who was not symptomatic but was infectious at the time of their visit to the facility.  DPH communicated with the identified potential exposures confirming vaccination status, providing educational resources and issuing quarantine and exclusion orders when necessary.  After thorough review and analysis following the contact tracing investigation, DPH is issuing a public notification to any persons who visited the facility on December 29, 2023, from 6:00 AM to 12:00 PM that there is the potential for measles exposure.

Any individual who was exposed to measles and displaying symptoms should contact the Office of Infectious Disease Epidemiology during regular business hours (302-744-4990) or the state’s 24-hour reporting line at 1-888-295-5156 outside of normal business hours to coordinate testing, receive guidance, and limit any further exposures.  Those who are ill should seek immediate health care by contacting their primary care provider.  If symptoms are severe, they should seek immediate care at the nearest emergency department.  Prior to going to any health care facility, the individual should notify providers and medical transport that they or their child were exposed to measles.

DPH has issued a notice to health care providers about measles symptoms and what to do if they see a potential case and is strongly recommending that people who have not received both doses of the Measles, Mumps, and Rubella (MMR) vaccine do so. If a Delaware resident is unsure of their vaccination status, they can visit the DelVAX Public Portal and view their personal profile.  Individuals may also contact their primary health care provider for additional details or if they are unable to obtain their records on DelVAX.  In order to ensure all proper protocols are in place prior to their arrival, any individual displaying symptoms of measles infection should contact the health care facility they plan to visit in advance. Providers who identify any potential cases of measles should contact the Office of Infectious Disease Epidemiology via the contact information provided above and in Delaware Health Advisory #508.

The MMR vaccine is proven safe and effective at preventing measles having been administered for over five decades.  Testing shows the vaccine to be 97% effective at preventing measles for those who have received two doses of the MMR vaccine and are not severely immunocompromised. Children should get their first dose of vaccine between 12 and 15 months of age and their second dose between 4 and 6 years of age. If you have not received both doses by age 6, you should get your first or second dose as soon as possible. Infants 6-11 months who are traveling internationally should get an early dose of MMR.  Vaccinations are available to both adults and children at many pharmacies, federally qualified health centers (FQHCs), and providers throughout Delaware and also at public health clinics for the uninsured or underinsured. Individuals should contact their preferred facility in advance to confirm supply and availability.

Measles is a highly contagious, acute viral illness that begins with early symptoms of fever, cough, coryza (runny nose) and conjunctivitis (pink eye), lasting two to four days prior to rash onset. The rash typically occurs three to five days after symptoms begin and usually appears on the face and spreads down the body. Measles can cause severe health complications, including pneumonia, brain inflammation and death. The virus is transmitted by direct contact with infectious droplets or by airborne spread when an infected person breathes, coughs or sneezes. The measles virus can remain infectious in the air and on surfaces for up to two hours after an infected person leaves an area. Infected people are contagious from four days before the rash starts through four days after rash development. The incubation period for measles from exposure to fever is usually about 10 days (range, 7-12 days), and from exposure to rash onset is usually about 14 days (range, 7-21 days).

For more information on measles, visit ‘Frequently Asked Questions’ on the DPH website: https://dhss.delaware.gov/dph/files/measlesfaq.pdf.

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