Vaccines have played a crucial role in combating the Covid-19 pandemic, helping to prevent severe illness and death. However, in an extremely rare case, a Covid booster shot reactivated tuberculosis (TB) in a 47-year-old man who had been living with a dormant infection. This unprecedented immune response raises questions about how vaccines interact with underlying health conditions, particularly in immunocompromised individuals.
This article explores how the Covid booster reawakened TB, the science behind immune system reactions, and what this case means for future vaccination strategies.
The Unusual Case: Covid Booster Triggers Tuberculosis

A 47-year-old man in India had been living with latent tuberculosis—a silent infection that remains in the body without causing symptoms. Before his Covid vaccinations, he showed no signs of active TB and had tested negative for the disease during routine screenings.
However, things took a shocking turn after his third Covid booster shot. Within just five days, he began experiencing severe symptoms, including:
High fever
Excessive night sweats
Extreme fatigue
Painful swelling in his lymph nodes
Doctors initially suspected an autoimmune reaction, but further tests revealed that his dormant TB infection had become active, a rare occurrence known as tuberculosis immune reconstitution inflammatory syndrome (TB-IRIS).
Understanding TB-IRIS: A Hyperactive Immune Response
What is TB-IRIS?
TB-IRIS is a condition where a weakened immune system suddenly regains strength and aggressively attacks a dormant TB infection, causing excessive inflammation. It is most commonly seen in HIV patients when they start antiretroviral therapy, but this case suggests that Covid vaccines could also trigger similar immune responses in some individuals.
Video : Covid booster vaccine reawakens world’s deadliest virus inside man’s body
How Did the Covid Vaccine Play a Role?
Covid mRNA vaccines are designed to stimulate the immune system by mimicking viral proteins. This triggers the body to produce a strong defense against potential infections. However, in rare cases, the immune system may become too aggressive and start attacking latent infections like TB, which had previously been controlled by the body.
The man’s immune system, reawakened by the Covid booster, mistakenly identified his dormant TB bacteria as a new threat, leading to a full-blown inflammatory response.
A Misdiagnosed Condition: The Road to Discovery
Before this incident, the patient had been diagnosed with rheumatoid arthritis (RA)—an autoimmune condition that causes chronic joint pain. To treat RA, he was prescribed immunosuppressive drugs, which weakened his immune system and may have allowed TB bacteria to remain inactive.
But when he received his Covid booster, the sudden immune reactivation overwhelmed his body, making the TB infection spread rapidly and causing severe inflammation.
Symptoms That Led to a TB Diagnosis
The man’s initial symptoms were mistakenly linked to arthritis and Covid vaccine side effects. However, as his condition worsened, doctors conducted further tests, revealing:
Severe swelling in lymph nodes (especially in the neck)
CT scan abnormalities indicating TB inflammation
Biopsy confirming tuberculosis
He was immediately placed on a four-drug TB treatment plan, which led to significant improvement within five days.

A Second Shock: TB Symptoms Return After Third Booster
Just two weeks later, the man received his third Covid booster shot—and his TB symptoms returned even more aggressively.
Severe chills and fever
Uncontrollable night sweats
Extreme weakness
This time, doctors quickly identified TB-IRIS as the cause. His immune system had once again been overstimulated, leading to a dangerous inflammatory reaction.
How Was He Treated?
Doctors acted fast to control his immune response while keeping his TB treatment on track. His treatment plan included:
High-dose intravenous (IV) steroids for five days to calm the immune system
A slow transition to oral steroids for three months
Continued TB medication for over a year
By his 18-month follow-up, his TB symptoms had fully disappeared, and he was finally able to resume arthritis treatment.
Video : A man deliberately got 217 Covid shots. Here’s what happened
What Does This Mean for Future Vaccinations?
This case does not mean that Covid vaccines cause tuberculosis. Instead, it highlights how vaccines can trigger unexpected immune responses in individuals with hidden or latent infections.
Key Takeaways for Patients with Immune Conditions:
Screening before vaccination: Patients with a history of autoimmune disorders, chronic infections, or immunosuppressive treatments should consult their doctors before getting a booster shot.
Monitoring for post-vaccine symptoms: If unusual symptoms occur after a vaccine, immediate medical attention is crucial to prevent severe complications.
Individualized vaccination approaches: Not everyone reacts to vaccines the same way. High-risk patients may require adjusted booster schedules or additional monitoring.
Other Inflammatory Reactions Linked to mRNA Vaccines
While mRNA vaccines are highly effective, there have been reports of immune-related side effects, including:
Myocarditis (heart muscle inflammation)
Pericarditis (inflammation around the heart lining)
Autoimmune disease flare-ups in some individuals
This does not mean vaccines are dangerous, but rather that certain individuals with pre-existing immune conditions may need extra precautions when receiving booster shots.

Final Thoughts: A Rare but Important Medical Case
This case of TB reactivation after a Covid booster is an extremely rare occurrence, but it serves as a reminder of how complex the human immune system is.
While vaccines remain a crucial tool in fighting infectious diseases, this case highlights the importance of personalized medicine—tailoring vaccination plans to each individual’s unique health condition.
If you or someone you know has a history of autoimmune disease, chronic infections, or immune-related conditions, it’s always best to consult a doctor before receiving a booster shot. Awareness and proactive healthcare can prevent rare complications while still ensuring protection against deadly viruses.
What are your thoughts on this case? Have you or someone you know experienced an unusual immune reaction after a vaccine? Let us know in the comments!
Melissa Sue Anderson, star of ‘Little House on the Prairie,’ speaks of her decision to leave Hollywood for Canada
Melissa Sue Anderson, star of ‘Little House on the Prairie,’ speaks of her decision to leave Hollywood for Canada
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How many times has it happened that you think of an old show you used to love watching and wonder what the actors are doing after so many years? I guess many of you that have seen “Little House on the Prairie” and were eager to see each new adventure of the family living on the farm in Plum Creek near Walnut Grove, Minnesota, would love to know what the actors are up to these days.
Those fans who were fond of the actress playing Mary Ingalls, beautiful Melissa Sue Anderson, were convinced she would continue being part of their life through the small screens, but she had other plans.

Today, she speaks of her decision to leave Hollywood behind and move to Canada.
This actress started her acting career playing guest roles, and had her way into the showbiz when she became one of the central figures of “Little House on the Prairie.” Her acting brought her several nominations for Best Lead Actress in a Drama Series, and her fans knew she deserved it.

Speaking of her experience filming this drama that made her famous, back in 2010, Anderson told Pop Entertainment, “I’m lucky that there even was a character to play, because in the book, there isn’t much of one. Laura [Ingalls, author of the Little House novels upon which the series was based and the story was centered] was a quite older woman when she wrote the books. She was remembering the best of her life. The characters of Ma and Mary didn’t factor in a lot. There was a lot of Laura and Pa and Laura and Jack the dog and Laura and Mr. Edwards, but there wasn’t a lot of Mary. I’m fortunate that they discovered that I could act.”

She tried herself in other minor roles after Mary Ingalls, but then in 1990 she got married to television producer Michael Sloan and moved to Montreal in 2002 with her husband and their two children, daughter Piper and son Griffin.

In 2007, the family became Canadian citizens and with the new life came new commitments, so Anderson decided to let go of the showbiz because she wanted to spend more time with her kids and didn’t want them to feel pressured to pursue acting careers themselves.

In an interview with E-Talk, Anderson said, “I really stepped away for a long time. That was really for the kids so they would have their own sense of who they were as opposed to being with me.”

However, Anderson didn’t step back from acting completely, but took small roles over the recent years. Her life-changing experience of being part in a series like “Little House on the Prairie” encouraged her to write a memoir titled The Way I See It: A Look Back at My Life on Little House.

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