The Flu Vaccine, Inflammatory Arthritis, LUPUS and COVID-19: What You Need to Know

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The Flu Vaccine, Inflammatory Arthritis, and COVID-19: What You Need to Know

This year, the flu vaccine is more important than ever. Here’s what you need to know about getting vaccinated safely when you have inflammatory arthritis like rheumatoid arthritis, psoriatic arthritis, or axial spondyloarthritis.

 

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Getting a flu vaccine is important every single flu season, especially if you have a form of inflammatory arthritis such a rheumatoid arthritis (RA), psoriatic arthritis (PsA), or axial spondyloarthritis (axSpA) — but in the midst of the COVID-19 pandemic, it’s even more critical.

While experts are hoping that COVID-related prevention practices like mask wearing, social distancing, and ramped-up hygiene will translate into less influenza spread this season, rheumatology experts are still urging patients to get vaccinated.

The good news is that many people with chronic illness don’t need convincing.

According to a recent survey of members of the CreakyJoints and Global Healthy Living Foundation’s COVID-19 Patient Support Program (a free program that provides information, advice, and support to help people with underlying health issues navigate the pandemic), 85 percent of 780 respondents said they were planning to get a flu vaccine this fall. About 10 percent said they did not plan to, and 5 percent did not know if they would get the flu vaccine this fall.

“As we are getting ready to enter flu season, and with COVID-19 continuing to spread throughout our communities, I think it is extremely important for people to get the flu vaccine this year,” says Justin Owensby, PharmD, PhD, a research pharmacist in the division of clinical immunology and rheumatology at the University of Alabama at Birmingham (UAB).

“As the novel coronavirus has severely stressed our health care system/resources, having even a mild flu season will further tax the system,” which may lead to even more strain on the hospitals and health care workers who will help you if you end up needing emergency care because of flu complications such as pneumonia.

Here’s more about why, when, and how to get your flu vaccine safely this year.

Why You Need the Flu Vaccine, Period

First, simply having inflammatory arthritis increases your chances of getting the flu — and, if you do catch it, your risk of serious infection and severe complications is greater.

“Compared to the general population, people living with inflammatory arthritis are at substantially higher risk of getting a vaccine-preventable infection, such as the flu or pneumonia, and consequently more complications and hospitalizations from those infections,” explains Dr. Owensby.

For example, RA patients have nearly a three times greater risk of getting the flu than healthy patients in the same age group, according to a 2012 analysis of 46,030 RA patients and an equal number of healthy controls, published in the journal BMC Musculoskeletal Diseases.

Yet another study, presented as an abstract at the American College of Rheumatology conference in 2018, found that RA patients who get influenza experience increased hospital stays as well as higher costs compared to healthy controls.

Inflammatory arthritis decreases your body’s natural immune defenses and some disease-modifying medications used to manage your condition can also weaken your immune response. “The flu shot is designed to strengthen your immune system by allowing it to recognize and fight off an influenza infection,” says Owensby. “Flu vaccines have been shown to reduce the risk of flu illness, hospitalization, and death.”

COVID-19 and Flu Coinfection

As if that’s not convincing enough, here’s yet another reason to roll up your sleeve: “People can get coinfected with influenza and COVID-19, says Jeffrey Curtis, MD, MS, MPH, professor of Medicine in the Division of Clinical Immunology and Rheumatology at the University of Alabama at Birmingham (UAB). “You can have both infections at the same time, and if that happens, the severity will be much worse.”

While the flu shot won’t protect you from getting COVID-19, it may help reduce the risk of spreading COVID.

“If you have the flu, and you’re coughing and sneezing, common sense says you’re more likely to transmit COVID,” says Dr. Curtis, “so if you can decrease the incidence and transmission of influenza, then you it’s possible that you can decrease the transmission to COVID.” More research is needed to confirm this effect, however.

When Should I Get the Flu Vaccine?

The CDC recommends getting your flu shot before influenza spreads within your area; ideally by the end of October. However, getting vaccinated anytime during the flu season, even in January or later, can protect you.

Dr. Curtis says it’s important to remember that it takes about two weeks after vaccination for antibodies that protect against flu to develop in the body — and that immunity doesn’t always last the entire season.

“There is some temporariness to the duration of protection of the flu vaccinations, so if you get the flu shot in September, it might not offer the same protection in March,” he says. Yet if putting it off until November means you might just put it off forever, Dr. Curtis urges patients to get it done and over with it when it’s top of mind.

If you suspect you may have been exposed to COVID-19 or have a confirmed diagnosis of COVID-19, the CDC suggests delaying the flu shot until you’re no longer showing signs and symptoms, adds Owensby.

This isn’t because there’s evidence that having COVID affects the effectiveness of the flu vaccination, but rather because you don’t want to unnecessarily expose others to COVID-19.

What’s the Best Place to Get the Flu Vaccine?

For people with inflammatory arthritis who have been staying at home as much as possible and limiting their outings to minimize exposure to COVID-19, the idea of heading to a doctor or pharmacy to get a flu shot may seem scary.

You can find reassurance in the fact that the CDC has given guidance to local pharmacies, grocery stores, and doctor’s offices for safe vaccination practice during the COVID-19 pandemic, including:

• Screening patients for COVID-19 symptoms or exposure to COVID-19 prior to arrival
• Limiting the overall number of patients at any given time
• Providing specific appointment times to manage patient flow and avoid crowding
• Ensuring staff wear medical face masks and use eye protection
• Limiting and monitoring points of entry to the facility and installing barriers, such as clear plastic sneeze guards, to limit physical contact with patients
• Implementing policies for wearing cloth face coverings and practicing respiratory hygiene, cough etiquette, and hand hygiene
• Setting up a one-way flow through the site and using measures to direct patient traffic and ensure physical distancing
• Arranging a separate vaccination area or separate hours for persons at increased risk for severe illness from COVID-19, when feasible
• Ensuring a minimum distance of 6 feet between patients in line, in waiting areas for vaccination, between vaccination stations, and in postvaccination monitoring areas

Other safe places to get your flu shot this year may include:

• Drive-through immunization services
• Curbside clinics
• Mobile outreach units
• Home visits

“It doesn’t matter where as long as you get one,” says Dr. Owensby. He recommends using VaccineFinder.org to find where flu vaccines are available near you. “[And] when going to get a flu vaccine, be sure to practice everyday preventive actions.”

If you’re not sure whether a local pharmacy or clinic is following COVID-19-related precautions, ask around and get feedback and recommendations from family and friends. You can also call ahead to ask about how crowded the facility is and find out the times of day when it’s likely to be emptiest.

What Type of Flu Shot Is Best?

Dr. Curtis says there are three considerations for people with inflammatory arthritis:

Is it a live vaccine?

A live vaccine, such as the nasal spray, can cause side effects in people with inflammatory arthritis who have weakened immune systems. Instead, opt for the flu shot, which is made from inactivated (or killed) influenza virus, which cannot cause illness.

Is it quadrivalent?

This means that it’s a four-component vaccine, which this year protect against the following four flu strains: A/Hawaii/70/2019 (H1N1) pdm09-like virus; A/Hong Kong/45/2019 (H3N2)-like virus (updated); B/Washington/02/2019; (B/Victoria lineage)-like virus (updated), plus B/Phuket/3073/2013-like (Yamagata lineage) virus. The trivalent vaccine, which offers protection against three strains, does not include the fourth virus, B/Phuket/3073/2013-like (Yamagata lineage) virus.

Is it high-dose?

This is a more potent type of flu vaccine, and while it’s generally reserved for adults 65 and older, it is beneficial for people with inflammatory arthritis who may have a weaker response to the flu vaccine than people without these health conditions. In fact, research published in The Lancet Rheumatology reported that the high-dose flu shot (Fluzone) substantially improved the immune response in seropositive RA patients compared to the standard-dose flu shot. However, many high-dose vaccines are trivalent, and don’t protect against B/Phuket/3073/2013-like (Yamagata lineage) virus.

Talk with your rheumatologist about the best type of flu vaccine for you, and be sure to check with your insurance to see if it’s covered, says Dr. Curtis. If you’re under 65, the high-dose shot may not be covered.

Do I Need to Adjust My Arthritis Medications?

While the decision to adjust your medications should be between you and your rheumatologist, there are studies showing that some medications, including high doses of steroids, methotrexate, and the biologic rituximab, reduce the body’s immune response to flu vaccine, says Dr. Owensby.

Rituximab

Treatment with the infused drug rituximab has been shown to decrease the response to the flu shot, says Dr. Owensby, so your doctor may recommend delaying the time between vaccine and your next infusion.

Methotrexate

Recent studies have shown that a brief, two-week discontinuation of methotrexate after receiving the flu shot can boost your immune response to it, says Dr. Owensby.

Although researchers have also found that people taking methotrexate or TNF inhibitor biologics — like etanercept (Enbrel), adalimumab (Humira), and infliximab (Remicade) — do have an acceptable response to the flu vaccine, the response isn’t as strong as it is in healthy individuals who are not taking immunosuppressants.

Your best bet is talk to your doctor about the the pros and cons of skipping a dose of your medication around the time you get your flu shot. Dr. Curtis emphasizes that people should not “stop taking medication prematurely,” without consulting their doctors.

Can the Flu Shot Increase My Risk of Getting Sick?

“To my knowledge, there is no evidence suggesting getting a flu shot will make you more susceptible to COVID-19,” says Owensby. “Although they are both contagious respiratory illnesses, they are caused by different viruses.” COVID-19 is caused by SARS-CoV-2 and flu is caused by different strains of influenza viruses.

Similarly, getting the flu shot will not give you the flu, says Dr. Curtis. In fact, those mild flu-like symptoms you may experience after the shot — headache, achiness, malaise, low-grade fever — are all signs of your immune system revving up to protect against the flu, he explains.

Keep Practicing Mask Wearing, Social Distancing, and Good Hygiene

While experts agree that you need to get a flu shot, it doesn’t mean you should stop taking other precautions to stay healthy this flu season.

“Even after receiving the flu shot, it’s still important to take all the steps you can to avoid getting the flu,” says Owensby.

So, get vaccinated, amp up your efforts to eat well and exercise, prioritize sleep, manage stress, and of course, practice a whole lot of hand washing and sanitizing.

 

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