Lack of Immunity to Mumps Blood Test

What is Lack of Immunity to Mumps?

Lack of immunity to mumps means your body does not have sufficient antibodies to protect against the mumps virus, a contagious infection causing painful salivary gland swelling. It occurs when you have not received the MMR vaccine or your antibody levels have declined over time. The Mumps Virus Antibody (IgG) test is the most important test for determining your immunity status.

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What causes lack of immunity to mumps?

Lack of immunity to mumps is caused by either never receiving the MMR (measles, mumps, rubella) vaccine or having antibody levels that have declined over time. Some people may have received only one dose of the vaccine instead of the recommended two doses, resulting in incomplete protection. Additionally, certain immune system conditions or medications that suppress immunity can prevent the body from maintaining adequate antibody levels even after vaccination.

What is the best test for lack of immunity to mumps?

The Mumps Virus Antibody (IgG) test is the most important test for determining mumps immunity because it directly measures the protective IgG antibodies your immune system produces in response to vaccination or previous infection. This blood test provides clear evidence of whether you have adequate long-term protection against the mumps virus. If the test shows low or absent antibody levels, it confirms you lack immunity and may need vaccination or a booster shot to develop protection.

When should I get tested for mumps immunity?

You should get tested if you work in healthcare, schools, or childcare settings where mumps exposure is more likely. Testing is also recommended before international travel to areas where mumps is common, if you are planning pregnancy, or if you are unsure about your vaccination history. Anyone who has been exposed to someone with mumps or is experiencing symptoms like swollen cheeks or jaw pain should also consider testing to confirm their immunity status.

What are the symptoms of mumps infection?
Mumps symptoms typically include painful swelling of the salivary glands, particularly the parotid glands on the sides of your face, giving you a characteristic chipmunk-like appearance. You might notice fever, headache, muscle aches, fatigue, and loss of appetite. Some people also experience pain while chewing or swallowing, especially with acidic foods or drinks. In more severe cases, mumps can cause complications like testicular swelling in males, ovarian inflammation in females, or rarely, meningitis or hearing loss.
Who is at risk for lacking immunity to mumps?
People born before 1957 may have natural immunity from childhood exposure, but those born after who never received the MMR vaccine are at highest risk. Healthcare workers, college students living in dormitories, and international travelers face increased exposure risk. Individuals who received only one dose of MMR vaccine instead of the recommended two doses may have inadequate protection. People with weakened immune systems from conditions like HIV or cancer treatments may lose immunity even if previously vaccinated.
What happens if lack of immunity to mumps is left untreated?
Without immunity, you remain vulnerable to mumps infection throughout your life, with risk increasing during outbreaks or when exposed to infected individuals. Mumps can lead to serious complications including orchitis (testicular inflammation) in about 20-30% of infected males after puberty, which can rarely cause infertility. Other complications include meningitis, encephalitis, pancreatitis, and permanent hearing loss in one or both ears. Pregnant women who contract mumps in the first trimester face an increased risk of miscarriage.
Can lack of immunity to mumps be diagnosed with a blood test?
Yes, the Mumps Virus Antibody (IgG) blood test can definitively diagnose whether you lack immunity to mumps by measuring the level of protective IgG antibodies in your bloodstream. The test requires a simple blood draw and results typically indicate whether antibody levels are adequate for protection, borderline, or absent. This is more reliable than relying on vaccination records alone, especially if your immunization history is unclear or you received vaccines many years ago when antibody levels may have declined.
How is lack of immunity to mumps treated?
The treatment for lack of mumps immunity is vaccination with the MMR vaccine, which protects against mumps, measles, and rubella. If you have never been vaccinated, you will need two doses given at least 28 days apart. If you received only one dose previously, a single booster shot is typically sufficient to restore immunity. The vaccine is safe for most people, though it should be avoided during pregnancy and in individuals with severely compromised immune systems. After vaccination, your body typically develops protective antibodies within 2-4 weeks.
How can I prevent mumps infection?
The most effective prevention is receiving two doses of the MMR vaccine, which provides about 88% protection against mumps. Maintain good hygiene by washing your hands frequently, especially after touching your face or being in public spaces. Avoid close contact with anyone who has mumps, and if you are infected, stay home for at least five days after salivary gland swelling begins to prevent spreading the virus. Do not share drinks, utensils, or personal items like towels with others, as the mumps virus spreads through respiratory droplets and saliva.
What can I do at home if I lack immunity to mumps?
While there are no home remedies to create immunity, you can reduce your exposure risk by avoiding crowded places during known outbreaks and practicing excellent hand hygiene. Maintain a healthy lifestyle with adequate sleep, balanced nutrition rich in vitamins C and D, and regular exercise to support overall immune function. Keep your vaccination records organized and easily accessible so you can quickly confirm your status if exposed to mumps. If you discover you lack immunity, schedule vaccination as soon as possible rather than waiting, as outbreaks can occur unexpectedly in communities, schools, or workplaces.
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Mumps Virus Antibody (IgG)
What's included
Fast & easy, results by email & SMS
No need to visit a doctor
Private & confidential
No insurance needed
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No extra fees paid at the lab

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