{"id":4922,"date":"2025-03-24T15:40:10","date_gmt":"2025-03-24T15:40:10","guid":{"rendered":"https:\/\/letmommysleep.com\/blog\/?p=4922"},"modified":"2026-09-11T19:28:27","modified_gmt":"2026-09-11T19:28:27","slug":"measles-what-expecting-new-parents-need-to-know","status":"publish","type":"post","link":"https:\/\/letmommysleep.com\/blog\/2025\/03\/24\/measles-what-expecting-new-parents-need-to-know\/","title":{"rendered":"Measles: What Expecting &#038; New Parents Need to Know"},"content":{"rendered":"\n<p class=\"has-regular-font-size wp-block-paragraph\"><em>Measles: What Expecting &amp; New Parents Need to Know<\/em> was last updated: October 18, 2025<br>Author: Laura Hegarty-Moore, RN, MPH, CIC<\/p>\n\n\n\n<p class=\"has-regular-font-size wp-block-paragraph\">Laura Hegarty-Moore is an Infection Preventionist at Baystate Health, a Registered Nurse, mother of two, longtime Let Mommy Sleep contributor and a member of our Advisory Board serving as Public Health Advisor since 2020.With measles  cases on the rise in the United States, and infants under six months being especially vulnerable, Laura answers the most common questions parents ask about measles, vaccines and prevention.<\/p>\n\n\n\n<p class=\"has-regular-font-size wp-block-paragraph\">For the most current guidance, visit the CDC Measles Information Page:&nbsp;<a href=\"https:\/\/www.cdc.gov\/measles\">https:\/\/www.cdc.gov\/measles<\/a><\/p>\n\n\n\n<h3 class=\"wp-block-heading has-regular-font-size\">What Is Measles<\/h3>\n\n\n\n<p class=\"has-regular-font-size wp-block-paragraph\">Let&#8217;s start at the beginning. Measles is one of the most contagious diseases known. It spreads through the air and can linger in a room for up to two hours after an infected person leaves. In fact, as the CDC says, if one&nbsp;person&nbsp;has&nbsp;it, up to 9 out of&nbsp;10 people&nbsp;nearby&nbsp;will&nbsp;become infected&nbsp;if&nbsp;they are not protected. It can be serious or even fatal, especially for children under five years old. <\/p>\n\n\n\n<p class=\"has-regular-font-size wp-block-paragraph\">But it is easily preventable through vaccination. The single best protection against measles is vaccination.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-regular-font-size\">What Does It Mean to Be \u201cUp to Date\u201d on the Measles Vaccine<\/h3>\n\n\n\n<p class=\"has-regular-font-size wp-block-paragraph\">Being up to date means having two doses of the MMR (Measles, Mumps, Rubella) vaccine.<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-regular-font-size\">One dose is 93% effective<\/li>\n\n\n\n<li class=\"has-regular-font-size\">Two doses are 97% effective<\/li>\n<\/ul>\n\n\n\n<p class=\"has-regular-font-size wp-block-paragraph\">If you are fully vaccinated, you are very well protected. Failure to vaccinate remains the biggest reason measles continues to spread.<\/p>\n\n\n\n<p class=\"has-regular-font-size wp-block-paragraph\">To be \u201cup to date\u201d for measles, you need two documented doses of the MMR vaccine, typically given during childhood.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-regular-font-size\">Do Adults Need a Measles Booster<\/h3>\n\n\n\n<p class=\"has-regular-font-size wp-block-paragraph\">In most cases, no booster is needed if you have had two MMR doses or were born before 1957.<\/p>\n\n\n\n<p class=\"has-regular-font-size wp-block-paragraph\">Exception: If you received the inactivated measles vaccine between 1963 and 1967, ask your doctor whether you need a booster. Most people received the live vaccine during that time, but confirming your record helps conserve doses for children who have not yet been vaccinated.<\/p>\n\n\n\n<p class=\"has-regular-font-size wp-block-paragraph\">Getting an extra MMR dose poses minimal risk but is usually unnecessary.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-regular-font-size\">Can You Still Get Measles if You\u2019re Vaccinated<\/h3>\n\n\n\n<p class=\"has-regular-font-size wp-block-paragraph\">Breakthrough cases are possible but rare. Vaccinated individuals are 35 times less likely to get measles than those unvaccinated. When they do occur, symptoms are typically mild and less contagious.<\/p>\n\n\n\n<p class=\"has-regular-font-size wp-block-paragraph\">Yes, it is possible to get measles after vaccination, but the illness is usually mild, and vaccinated individuals are far less likely to spread it.<\/p>\n\n\n\n<h3 class=\"wp-block-heading has-regular-font-size\">Should I Wear a Mask to Prevent Measles<\/h3>\n\n\n\n<p class=\"has-regular-font-size wp-block-paragraph\">Masking is not an effective prevention strategy against measles.<\/p>\n\n\n\n<p class=\"has-regular-font-size wp-block-paragraph\">Reasons include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-regular-font-size\">The MMR vaccine is highly effective and long-lasting.<\/li>\n\n\n\n<li class=\"has-regular-font-size\">The measles virus is airborne and extremely contagious, infecting 12\u201318 people per case on average.<\/li>\n\n\n\n<li class=\"has-regular-font-size\">You can contract it by being in a room up to two hours after an infected person leaves.<\/li>\n\n\n\n<li class=\"has-regular-font-size\">The virus can survive on surfaces, so a mask alone cannot prevent infection.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-regular-font-size wp-block-paragraph\">However, if you are sick or have been exposed, you should wear a mask to help reduce spread. Masks do not effectively prevent measles infection. Vaccination is the only reliable protection.<\/p>\n\n\n\n<figure class=\"wp-block-image size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"290\" height=\"174\" src=\"https:\/\/letmommysleep.com\/blog\/wp-content\/uploads\/2025\/03\/Measles-What-Expecting-New-Parents-Need-to-Know.png\" alt=\"Measles: What Expecting &amp; New Parents Need to Know\" class=\"wp-image-4923\" style=\"aspect-ratio:1.6666666666666667;width:457px;height:auto\"\/><\/figure>\n\n\n\n<h3 class=\"wp-block-heading has-regular-font-size\">International Travel and Measles<\/h3>\n\n\n\n<p class=\"has-regular-font-size wp-block-paragraph\">Since routine vaccination began in 1963, U.S. measles cases have dropped by over 99%.<br>Still, travelers returning from other countries can bring measles back, potentially triggering outbreaks.<\/p>\n\n\n\n<p class=\"has-regular-font-size wp-block-paragraph\">At-risk groups include:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-regular-font-size\">Babies too young for vaccination (under 12 months)<\/li>\n\n\n\n<li class=\"has-regular-font-size\">Immunocompromised individuals<\/li>\n\n\n\n<li class=\"has-regular-font-size\">Older adults with weakened immunity<\/li>\n<\/ul>\n\n\n\n<p class=\"has-regular-font-size wp-block-paragraph\">If you plan to travel internationally, check your MMR vaccination status. The CDC recommends that infants 6\u201311 months old receive one early MMR dose before international travel. For details, visit:&nbsp;<a href=\"https:\/\/www.cdc.gov\/measles\/travelers.html\">https:\/\/www.cdc.gov\/measles\/travelers.html<\/a><\/p>\n\n\n\n<p class=\"has-regular-font-size wp-block-paragraph\"><strong>Can babies under 1 get measles?<\/strong><\/p>\n\n\n\n<p class=\"has-regular-font-size wp-block-paragraph\">Yes. Babies under 6 months have some protection from maternal antibodies if the mother is immune, but this protection fades. Babies between 6 and 11 months have minimal protection and are considered high risk. Because the MMR vaccine is not routinely given until 12 months, infants under 1 are among the most vulnerable populations during a measles outbreak.<\/p>\n\n\n\n<p class=\"has-regular-font-size wp-block-paragraph\">If you&#8217;re traveling internationally with a baby 6 to 11 months old, the CDC recommends one early MMR dose before departure. This dose does not count toward the standard two-dose series, your child will still need the routine doses at 12 to 15 months and again at 4 to 6 years.<\/p>\n\n\n\n<p class=\"has-regular-font-size wp-block-paragraph\"><em>If there is a known measles exposure or active outbreak in your area, contact your child&#8217;s primary care physician immediately about early vaccination options and next steps.<\/em><\/p>\n\n\n\n<figure class=\"wp-block-image size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"858\" src=\"https:\/\/letmommysleep.com\/blog\/wp-content\/uploads\/2025\/04\/measles-recs-1024x858.png\" alt=\"\" class=\"wp-image-4994\" style=\"width:523px;height:auto\" srcset=\"https:\/\/letmommysleep.com\/blog\/wp-content\/uploads\/2025\/04\/measles-recs-1024x858.png 1024w, https:\/\/letmommysleep.com\/blog\/wp-content\/uploads\/2025\/04\/measles-recs-300x251.png 300w, https:\/\/letmommysleep.com\/blog\/wp-content\/uploads\/2025\/04\/measles-recs-768x643.png 768w, https:\/\/letmommysleep.com\/blog\/wp-content\/uploads\/2025\/04\/measles-recs.png 1058w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<h2 class=\"wp-block-heading has-regular-font-size\">Measles: What Expecting &amp; New Parents Need to Know: A Message from Let Mommy Sleep<\/h2>\n\n\n\n<p class=\"has-regular-font-size wp-block-paragraph\">At Let Mommy Sleep, evidence-based care and newborn safety come first. All night nannies, night nurses and postpartum doulas are vaccinated for MMR (Measles, Mumps and Rubella) to protect infants who are too young to receive the vaccine. <\/p>\n\n\n\n<p class=\"has-regular-font-size wp-block-paragraph\">Additionally, our caregivers follow strict hygiene and illness-prevention protocols in every family home:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-regular-font-size\">Handwashing upon arrival and before or after caring for baby, bottles or pump parts.<\/li>\n\n\n\n<li class=\"has-regular-font-size\">Shoes removed upon entering the home.<\/li>\n\n\n\n<li class=\"has-regular-font-size\">Masking available upon request or if anyone feels unwell.<\/li>\n\n\n\n<li class=\"has-regular-font-size\">Surfaces cleaned and sanitized throughout the night.<\/li>\n\n\n\n<li class=\"has-regular-font-size\">Open communication if a caregiver or family member feels unwell, so safety decisions can be made together.<\/li>\n<\/ul>\n\n\n\n<p class=\"has-regular-font-size wp-block-paragraph\">We understand some folks have big feelings about vaccines. Our mission is to continue to provide safe, compassionate and evidence-based education on the subject of immunizations, in addition to any other newborn and postpartum care questions you may have.<\/p>\n\n\n\n<p class=\"has-regular-font-size wp-block-paragraph\">For more information on measles and vaccine safety, visit:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li class=\"has-regular-font-size\">American Academy of Pediatrics (AAP):&nbsp;<a>https:\/\/www.aap.org<\/a><\/li>\n\n\n\n<li class=\"has-regular-font-size\">CDC Measles Resources:&nbsp;<a href=\"https:\/\/www.cdc.gov\/measles\">https:\/\/www.cdc.gov\/measles<\/a><\/li>\n<\/ul>\n\n\n\n<p class=\"has-regular-font-size wp-block-paragraph\">If you would like to learn more about the standards of our night doulas please see our FAQ&#8217;s or  <a href=\"https:\/\/letmommysleep.com\/contact-us\" title=\"contact us \">contact us <\/a>anytime.<\/p>\n\n\n\n<script type=\"application\/ld+json\">\n{\n  \"@context\": \"https:\/\/schema.org\",\n  \"@graph\": [\n    {\n      \"@type\": [\"BlogPosting\", \"MedicalWebPage\"],\n      \"@id\": \"https:\/\/letmommysleep.com\/blog\/2025\/03\/24\/measles-what-expecting-new-parents-need-to-know\/#article\",\n      \"mainEntityOfPage\": {\n        \"@type\": \"WebPage\",\n        \"@id\": \"https:\/\/letmommysleep.com\/blog\/2025\/03\/24\/measles-what-expecting-new-parents-need-to-know\/\"\n      },\n      \"headline\": \"Measles: What Expecting and New Parents Need to Know\",\n      \"alternativeHeadline\": \"Measles, MMR Vaccination, and Infant Safety: A Guide from Let Mommy Sleep's Public Health Advisor\",\n      \"description\": \"With measles cases on the rise, infants under 12 months are especially vulnerable. 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