COVID-19 vaccination, Internal Medicine FAQ

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Impact of COVID-19 Vaccination on Infection Risks and Long-Term Effects

Regarding COVID-19 vaccines? Hello, Doctor! I would like to ask: I received my first dose of the COVID-19 vaccine (AstraZeneca) on September 10, 2021, my second dose (BioNTech) on November 24, 2021, and my booster dose (BioNTech) on March 1, 2022. I would like to know what the ou...


Dr. Lin Wufu Reply:
Hello, there is a certain probability of severe illness associated with COVID-19, which is related to factors such as the patient's age, pre-existing chronic conditions, and vaccination status. Your situation indicates that the likelihood of experiencing severe illness is lo...

[Read More] Impact of COVID-19 Vaccination on Infection Risks and Long-Term Effects


Understanding Abnormal Blood Test Results After COVID-19 Vaccination

Abnormal blood test results? Hello, Doctor: I received my fourth dose of the COVID-19 vaccine on November 26, 2022, and I underwent a health check at my company on December 13, 2022. I am unsure if some abnormal values are related to the vaccination. The results are as follows: N...


Dr. Hong Yuanbin Reply:
Hello, based on your values, the main issues are low neutrophils and high lymphocytes. The most common causes are viral infections, such as COVID-19 or influenza. In addition to viral infections, other hematological disorders may also be a possibility. It is recommended to retest...

[Read More] Understanding Abnormal Blood Test Results After COVID-19 Vaccination


Allergic Rhinitis and Reactions After Novavax COVID-19 Vaccination

Allergic rhinitis and reactions after COVID-19 vaccination? Hello, doctor. I have a history of allergies, including allergic rhinitis and atopic dermatitis. I usually experience a runny nose and nasal congestion upon waking up, which lasts until noon. On August 9th, I received th...


Dr. Hong Yuanbin Reply:
Hello, 1. The runny nose caused by the vaccine typically resolves within 24 hours. Therefore, your condition may be due to an infection or other allergens. It is recommended to first test for COVID-19. If the result is negative, you can proceed with symptomatic treatment. 2. I...

[Read More] Allergic Rhinitis and Reactions After Novavax COVID-19 Vaccination


Understanding Blood Test Results: Changes in White Blood Cell Counts and Allergies

Inquiry about blood test report values? Hello, Doctor. I had blood tests done on January 8 and July 4 of this year, and overall the values were normal. The only concerning changes were in the white blood cell differential: neutrophils decreased from 52.5% to 37.3%, and lymphocyte...


Dr. Gao Jiankai Reply:
Hello, thank you for your inquiry. The COVID-19 vaccine is still relatively new, which may lead to a higher chance of side effects, and there are various symptoms that can occur after vaccination. However, most of these are temporary, so there is no need to worry too much. The ch...

[Read More] Understanding Blood Test Results: Changes in White Blood Cell Counts and Allergies


Impact of COVID-19 Vaccination on Ankylosing Spondylitis Symptoms

Vaccination for Ankylosing Spondylitis Hello Doctor, I am a patient with ankylosing spondylitis. I would like to ask you: 1) If the COVID-19 vaccine has exacerbated my pre-existing stiffness, is it possible that this exacerbation could last a long time (for example, 1-2 years, or...


Dr. Gao Jiankai Reply:
Hello, thank you for your question. Here are my responses: 1) If the COVID-19 vaccine exacerbates a pre-existing rigid condition, is it possible that this exacerbation could last for a long time (for example, 1-2 years, or even longer, potentially a lifetime)? --> Currently,...

[Read More] Impact of COVID-19 Vaccination on Ankylosing Spondylitis Symptoms


Persistent Leg Discomfort After COVID-19 Vaccination: When to Seek Help?

Persistent soreness and numbness in the right calf after receiving the COVID-19 vaccine? Hello, doctor. I received my third dose of Moderna, and starting the next day, I have been experiencing soreness and numbness in my right calf and foot. This sensation has been persistent, la...


Dr. Hong Yuanbin Reply:
Hello, what you described are indeed potential symptoms of the vaccine. It is recommended to rest for a few days, and you should gradually improve. If there is no improvement or if the symptoms continue to worsen, then medical attention is necessary. Thank you for your inquiry.

[Read More] Persistent Leg Discomfort After COVID-19 Vaccination: When to Seek Help?


Persistent Leg Discomfort After COVID-19 Vaccination: When to Seek Help?

Persistent soreness and numbness in the right calf after receiving the COVID-19 vaccine? Hello, doctor. I received my third dose of Moderna, and starting the next day, I've been experiencing soreness and numbness in my right calf and foot. This sensation has been quite persi...


Dr. Hong Yuanbin Reply:
Hello, what you described are indeed possible symptoms of the vaccine. It is recommended to rest for a few days, and it should gradually improve. If there is no improvement or if the symptoms continue to worsen, then medical attention is necessary. Thank you for your inquiry.

[Read More] Persistent Leg Discomfort After COVID-19 Vaccination: When to Seek Help?


Does COVID-19 Vaccination Worsen Ankylosing Spondylitis Symptoms?

Will getting the COVID-19 vaccine worsen the condition of ankylosing spondylitis? Hello Doctor: My child is a patient with ankylosing spondylitis and has been taking Secukinumab for a year. The inflammatory markers have been under control. On September 27, he received the first d...


Dr. Gao Jiankai Reply:
Hello, thank you for your inquiry. Here are my responses: 1) In your clinical experience, how common is it for patients with rheumatic diseases to experience worsening conditions after receiving the COVID-19 vaccine? --> I only have personal experience and no national statist...

[Read More] Does COVID-19 Vaccination Worsen Ankylosing Spondylitis Symptoms?


Concerns About Unknown Liquid Exposure After Vaccination in Vietnam

Infected with an unknown liquid in the hospital? During my visit to a local hospital in Vietnam for the COVID-19 vaccination, the vaccination process took about 3 hours. After returning home, I noticed an unknown yellow-brown residue on my palms, which resembles either iodine sol...


Dr. Lin Wufu Reply:
Hello: Basically, if there are no wounds on the palm, there is no chance of contracting bloodborne diseases through contact! Of course, it's a good idea to check if there are any effects on the local skin; if there are none, there's no need to worry!

[Read More] Concerns About Unknown Liquid Exposure After Vaccination in Vietnam


Is Essential Thrombocythemia a Rare Disease? Understanding Its Classification and Vaccine Eligibility

Is essential (hemorrhagic) thrombocythemia a rare disease? Hello Doctor: I have been experiencing issues with elevated platelet counts since the end of 2015, and I am currently undergoing regular check-ups. I would like to ask: 1. Is the disease classification noted on the Nation...


Dr. Lin Jianliang Reply:
Hello Lin! This is a blood issue, and it is recommended to consult a hematologist for examination!

[Read More] Is Essential Thrombocythemia a Rare Disease? Understanding Its Classification and Vaccine Eligibility


COVID-19 Vaccine Injection Concerns: Tetanus and Allergy Considerations

Issues related to COVID-19 vaccination? Hello, doctor. I am inquiring on behalf of a friend regarding COVID-19 vaccination questions. The questions are as follows: 1. If they recently received a tetanus shot (about 2 weeks ago), is it safe to receive the vaccine? 2. They had an a...


Dr. Hong Yuanbin Reply:
Hello, 1. There are currently no relevant international recommendations regarding this matter; however, expert consensus generally suggests that different types of vaccines should be administered at least one month apart for optimal results. 2. It is true that the Moderna vac...

[Read More] COVID-19 Vaccine Injection Concerns: Tetanus and Allergy Considerations


Choosing the Right COVID-19 Vaccine for Individuals with Antibody Issues

COVID-19 vaccine I have some questions regarding COVID-19 vaccination. In the past, when I was around 20 years old, I received the hepatitis B vaccine but did not develop antibodies. Last year, after a company health check, someone suggested that I get vaccinated again. At the ag...


Dr. Gao Jiankai Reply:
Hello, thank you for your message. The reasons for not producing antibodies after receiving the hepatitis B vaccine include whether the recipient has other chronic illnesses and factors related to individual constitution (gene expression). Research on the ability to produce effec...

[Read More] Choosing the Right COVID-19 Vaccine for Individuals with Antibody Issues


Is COVID-19 Vaccination Safe for Patients with Allergies and Medications?

COVID-19 vaccination administration Hello, Doctor. 1. I am allergic to anti-inflammatory medications such as ibuprofen and aspirin; taking these medications causes my eyes to swell. 2. I am allergic to dust mites, and I need to take asthma medication whenever I have a common c...


Dr. Hong Yuanbin Reply:
Hello, the three situations you mentioned are not contraindications for the COVID-19 vaccine, nor have they been stated as reasons to avoid vaccination. Thank you for your inquiry.

[Read More] Is COVID-19 Vaccination Safe for Patients with Allergies and Medications?