Flu Vaccine Concerns: Can I Get Vaccinated with Cold Symptoms?

I would like to ask the doctor about the flu vaccine?

Hello, doctor.
A few weeks ago, I went to the ENT department with my family to make an appointment for the flu vaccine, which I need to pay for out of pocket.
Although it hasn't arrived yet, I heard that the vaccine is from Sanofi.
I feel increasingly worried after seeing recent news.
I get the flu shot every year and haven't had any major issues, just occasional soreness and fatigue.
I would like to ask you two questions.

First, I have been experiencing a runny nose lately, and sometimes it flows back into my throat.
Can I still get the vaccine in this situation? The ENT doctor mentioned during my appointment that as long as I don't have a fever, I should be able to get it.

Secondly, I read online about insufficient immune function.
Last month, my white blood cell count was over 4700, and the previous count was around 3780.
Is this too low? I remember from high school biology that the normal range is 4000-10000, and white blood cells are responsible for fighting bacteria and viruses.
Is it safe to get vaccinated with these numbers? Thank you for clarifying these questions!

Y, 20~29 year old female. Ask Date: 2020/10/26

Dr. Hong Yuanbin reply Internal Medicine

Hello, according to the current contraindications for vaccines, you can receive the vaccine as long as you do not have a fever.
Your white blood cell count should still be within the normal range, so there should be no issues with getting vaccinated.
As for the side effects of the vaccine, the government is still investigating them.
However, if we consider the possibility of contracting influenza without vaccination, it is generally safer to get vaccinated.
Thank you for your question.

Reply Date: 2020/10/26

More Info

When considering whether to receive the flu vaccine while experiencing cold symptoms, there are several important factors to take into account. First and foremost, it is essential to understand the general guidelines regarding vaccination during mild illness.

According to health authorities, individuals with mild illnesses, such as a cold characterized by symptoms like a runny nose or a sore throat, can typically receive vaccinations, including the flu vaccine, as long as they do not have a fever. The rationale behind this guideline is that mild illnesses do not significantly compromise the immune system's ability to respond to the vaccine. Therefore, if you are experiencing only mild symptoms and no fever, it is generally safe to proceed with vaccination.

However, if your symptoms worsen or you develop a fever, it is advisable to postpone the vaccination until you have fully recovered. This is because a fever can indicate a more significant illness, and receiving a vaccine during such a time may not provide the optimal immune response. Additionally, if you are feeling unwell, it may be more challenging for your body to mount an effective immune response to the vaccine, which could diminish its effectiveness.

Regarding your concern about your white blood cell count, it is important to note that while a normal white blood cell count typically ranges from 4,000 to 10,000 cells per microliter, a count of 4,700 is still within the normal range. This suggests that your immune system is functioning adequately at this time. A white blood cell count that is slightly lower than average does not necessarily indicate a compromised immune system, especially if you are not experiencing recurrent infections or other symptoms of immune deficiency.

In summary, if you are experiencing mild cold symptoms without a fever, you should be able to receive the flu vaccine safely. It is always a good practice to consult with your healthcare provider if you have any doubts or if your symptoms change. They can provide personalized advice based on your health history and current condition.

Furthermore, it is important to remember that the flu vaccine is a crucial tool in preventing influenza, which can lead to severe illness, especially in vulnerable populations. Vaccination not only protects you but also helps to reduce the spread of the virus within the community. Therefore, if you are eligible and your symptoms permit, getting vaccinated is highly recommended.

Lastly, if you have any underlying health conditions or concerns about your immune system, discussing these with your healthcare provider can help you make an informed decision about vaccination and any other health-related issues you may face.

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