Meningococcal vaccine is availble for all of the following, except –
**Core Concept**
Meningococcal vaccines are designed to protect against Neisseria meningitidis, a bacterium that can cause meningitis and sepsis. These vaccines work by inducing antibodies against the capsular polysaccharides or proteins of the meningococcus, thereby preventing colonization and subsequent infection.
**Why the Correct Answer is Right**
The meningococcal conjugate vaccine (MenACWY) is available for all individuals aged 11-55 years, including those with certain medical conditions or those traveling to areas with high meningococcal disease rates. This vaccine provides protection against serogroups A, C, W, and Y. Additionally, a booster dose is recommended for certain individuals, such as college students living in dormitories, military recruits, and those with certain medical conditions.
**Why Each Wrong Option is Incorrect**
**Option A:** Not available for everyone, but this is not the correct answer. The correct answer is not listed.
**Option B:** This option is not available. MenB is a vaccine available for individuals aged 10-25 years, particularly those with certain medical conditions or those at increased risk of meningococcal disease.
**Option C:** This option is not available. MenACWY is available for all individuals aged 11-55 years, including those with certain medical conditions or those traveling to areas with high meningococcal disease rates.
**Option D:** This option is not available. MenACWY is available for all individuals aged 11-55 years, including those with certain medical conditions or those traveling to areas with high meningococcal disease rates.
**Clinical Pearl / High-Yield Fact**
Meningococcal disease can be prevented with vaccination, but it is essential to note that the vaccine is not 100% effective. Individuals who have received the vaccine can still develop meningococcal disease, although it is rare.
**Correct Answer:** B. MenB is a vaccine available for individuals aged 10-25 years, particularly those with certain medical conditions or those at increased risk of meningococcal disease.