Vaccination: What to Do If You Missed Your Shots? - Family Medicine

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Preventive vaccination


Dear Dr.
Huang: I did not receive the vaccine known as the "fire needle" when I was in the sixth grade.
What vaccine is that? I missed the vaccination due to having a cold and fever at the time; do I need to catch up on it? Recently, there have been many news reports about vaccines becoming ineffective in adulthood, which is quite concerning! Thank you for taking the time to answer my questions; I really appreciate it!

KIKI, 20~29 year old female. Ask Date: 2005/09/04

Dr. Huang Jianling reply Family Medicine


KIKI: There are several explanations: (1) After receiving the BCG vaccine, the injection site feels intensely hot, and red nodules typically appear within 7 to 10 days post-injection, which then enlarge and may become purulent.
Ulceration occurs after six to eight weeks, hence the colloquial term "fire needle." (2) In the past, the needle was heated over a flame until red, which is why it is also referred to as "fire needle." The BCG vaccine provides preventive effects against tuberculous meningitis in newborns, but reports indicate that its preventive effect against pulmonary tuberculosis in adults is minimal, thus additional or booster vaccinations are not recommended.
Sincerely, Dr.
Huang Jianling, Family Medicine Department, Taoyuan Hospital, Ministry of Health and Welfare.

Reply Date: 2005/09/04

More Info


When it comes to vaccinations, it's important to understand the significance of receiving the appropriate immunizations at the right times. The term "火針" (literally "fire needle") likely refers to the BCG vaccine, which is used to protect against tuberculosis (TB). In many countries, including the United States, the BCG vaccine is administered shortly after birth or during early childhood. If you missed this vaccination during your sixth-grade year due to illness, it is advisable to consult with a healthcare provider to determine whether you need to receive it now or if there are alternative vaccinations or tests that can be done.

Vaccination schedules are designed to provide immunity at the most effective times, and some vaccines do indeed lose their effectiveness over time. For example, vaccines for diseases like tetanus, diphtheria, and pertussis (whooping cough) require booster shots every ten years to maintain immunity. Similarly, vaccines for measles, mumps, and rubella (MMR) are typically given in childhood, but adults who missed these shots may need to catch up.

If you are concerned about missing vaccinations, the first step is to review your vaccination history. You can obtain this information from your childhood medical records or by contacting your previous healthcare providers. Once you have this information, you can discuss it with your current healthcare provider, who can help you determine which vaccines you may need to catch up on.

In addition to the BCG vaccine, there are other vaccines that may be relevant to adults, such as the influenza vaccine, which is recommended annually, and the pneumococcal vaccine, which helps protect against pneumonia. The HPV vaccine is also recommended for young adults to prevent certain types of cancers.
It's also worth noting that some vaccines are recommended based on specific risk factors, such as travel to certain countries or exposure to particular diseases. Your healthcare provider can help assess your individual risk and recommend appropriate vaccinations.

In summary, if you missed your vaccinations as a child, it is essential to consult with a healthcare professional to determine which vaccines you may need to receive now. They can provide guidance on the current vaccination schedule, any necessary booster shots, and the importance of staying up to date with your immunizations to protect your health and the health of those around you. Vaccination is a critical component of public health, and staying informed about your immunization status is a proactive step in maintaining your well-being.

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