COVID-19 Increases Autoimmune Disease Risk

A January 2023 study by German researchers suggests that your risk of developing an autoimmune disease is increased after catching COVID-19.

The study included over 38 million participants, approximately 640,000 of whom had contracted the COVID-19 virus, and the remainder being the control group. The study examined the likelihood that an individual would develop one of 30 autoimmune diseases after being infected with COVID-19.

The results of the study found that after being diagnosed with COVID, patients were 43% more likely to go on to develop an autoimmune disease. The most common autoimmune diseases that developed post-infection were: Rheumatoid arthritis, Sjogren’s syndrome, Graves’ disease, and Hashimoto’s thyroiditis. Study participants who had contracted COVID-19 were also more likely to develop, but to a lesser extent, one of: psoriasis, type 1 diabetes, ulcerative colitis, multiple sclerosis, celiac disease, alopecia, and vitiligo.

Study participants who already had an autoimmune disease faced a 23% increased risk of developing an additional autoimmune condition after COVID-19 infection, as compared to those who didn’t get the virus.

This German study adds to the body of research being conducted about COVID-19’s lasting impact on health outcomes. ‘Long COVID’, as it’s been called, can result in neurological problems, breathing difficulty, cardiovascular issues, digestive problems, and more. Now, autoimmune disease may be another outcome to add to the ever-growing list of long COVID health issues.

The results from this German research study on the connection between autoimmune disease and COVID-19 infection shouldn’t be a surprise. The risk of developing autoimmunity after a viral infection has been well documented in the past, such as the connection between the Epstein-Barr virus and autoimmune conditions like multiple sclerosis. It’s believed that through a process called molecular mimicry, viruses are able to deflect attacks from the host’s immune system, by confusing immune cells, and causing them to target healthy tissues instead.

COVID-19 patients have anecdotally shared their experiences battling autoimmune conditions after an initial coronavirus infection. Famed singer and musician Christopher Cross, for example, spoke out about his battle with Guillain-Barre syndrome after being infected. Children were also shown to be developing a condition called multisystem inflammatory syndrome (MICS) after getting COVID, which often proved to be worse than the virus itself.

For more information on COVID-19 and autoimmune disease, check out this blog post on COVID-19 vaccination and products that may help in your battle against COVID if you’ve already caught the virus.

Can I get the COVID-19 vaccine if I have an autoimmune disease?

Is the COVID-19 vaccine right for autoimmune disease patients?
The COVID-19 vaccine is expected to roll out to members of the public in early 2021. Image courtesy of the BBC.

As the COVID-19 vaccine rolls out across the nation, many members of the public are wondering if getting vaccinated against the coronavirus is right for them. More specifically, those with autoimmune disorders, a disease class in which one’s own immune system mistakenly attacks the body’s own tissues, wonder if they are candidates for the COVID-19 vaccine.

Dr. Shafinaz Akhter, Physician at Chester County Hospital in Philadelphia, PA, states, “Our advice has always been that there is no harm to getting it. It is very unlikely that you’re going to have an adverse reaction or worsening symptoms from your underlying disease based upon receiving the vaccination.” For this reason, she says that at her hospital, they are recommending that anyone with an autoimmune disease, such as lupus, rheumatoid arthritis, or Crohn’s, get vaccinated.

Furthermore, Dr. Akhter adds that many autoimmune disease patients take immunosuppressants or other immune-modulating prescription drugs, which are medications designed to decrease immune system overactivity and the damaging inflammation that comes along with it. These medications may reduce the vaccine’s ability to stimulate your body to mount an immune response against the virus. For this reason, it’s important to speak with your healthcare provider regarding the timing of when you take your medications and when you receive the COVID-19 vaccine. Examples of such medications include methotrexate or rituximab.

Dr. Anthony Fauci, the country’s top infectious disease expert, weighed in on the subject, stating, “It is clear that if you are on immunosuppressant agents, history tells us that you are not going to have as robust a response as if you had an intact immune system that was not being compromised. But some degree of immunity is better than no degree of immunity. So, for me, it would be recommended that these people do get vaccinated.”

The CDC, for its part, has stated that those with autoimmune conditions may receive the COVID-19 vaccine, while also acknowledging that no data currently exists with regards to the safety of these vaccines for autoimmune disease patients. 

The CDC adds that it is expected that the risk of the COVID vaccine for autoimmune disease patients to be minimal, based on the vaccine’s mechanism of action. This is because none of the COVID vaccines use a live virus, nor do they include an adjuvant, which is a substance that enhances the body’s immune response to an antigen. Finally, none of the available vaccines become incorporated in your own genetic material (i.e. DNA), since they are mRNA vaccines.

As with any new medical treatment, it’s encouraged to speak with your healthcare provider before making a decision on whether or not to get the vaccine, so that they can advise you based on your specific situation. To learn more about the COVID-19 vaccines, visit the CDC website.

Are you planning to get the COVID-19 vaccine? Let us know in the comments below!