Is Long COVID Here to Stay? New Research Offers Clues
We’ve been living with COVID for years now. And if you’re anything like us, you’re probably over it.
But, much like the flu, it seems COVID is sticking around—and bringing along its unwelcome companion: long COVID.
For the millions grappling with its effects, the condition is a relentless reminder of the virus’s lingering grip.
Long COVID, which affects 5–10% of those who contract COVID-19, presents symptoms that persist for three months or more.
These symptoms can include chronic fatigue, brain fog, and more. It’s not limited to those with severe cases of COVID—it can strike anyone, regardless of the initial infection’s severity.
Now, groundbreaking research suggests the key to understanding long COVID might lie in the virus itself lingering in the body.
Researchers from the Burnet Institute propose that long COVID could be driven by “viral persistence,” where live virus—or remnants of it—remains in the body long after the initial infection.
Key studies reveal:
- Extended Shedding: Some individuals continue shedding genetic material from the virus (viral RNA) months after recovering from COVID.
- Long-Term Presence: Viral RNA and proteins have been found in blood and tissues for over a year post-infection, hinting at replication in hidden reservoirs like blood cells or the gastrointestinal tract.
- Increased Risk: Those with lingering viral RNA are more likely to develop long COVID symptoms.
While extracting live virus from these hidden reservoirs is technically challenging, the cumulative evidence is compelling enough to spur action.
If live virus is driving long COVID, antivirals could become a key player in its treatment. Scientists are already investigating repurposed drugs like:
- Metformin: A diabetes drug with antiviral properties that shows promise in reducing long COVID symptoms.
- Existing Antivirals: Medications targeting live virus could alleviate persistent symptoms by clearing hidden reservoirs.
However, beyond repurposed drugs, there’s a need for novel therapies and large-scale clinical trials to validate these approaches. Governments and healthcare systems must step up with investment and resources to fast-track these solutions.
As scientists race to find better treatments, there are steps you can take now to reduce your risk of long COVID or reinfection:
- Clean Indoor Air: Ventilate your home and workspaces. Use air filters where natural ventilation isn’t possible.
- Mask Up: Wear well-fitted, high-quality masks (like N95s) in crowded or poorly ventilated areas.
- Stay Updated on Vaccines: Boosters can lower your risk of long COVID and other complications.
- Test Regularly: Know when you’re positive and take precautions to protect yourself and others.
Long COVID isn’t just a nuisance—it’s a condition that can affect anyone, regardless of age or health. The virus doesn’t discriminate, and each reinfection carries risks.
As researchers unravel the mystery behind long COVID, there’s growing hope for targeted treatments and perhaps even a cure. For now, raising awareness about its biological basis and educating the public on prevention can help lessen its impact.
Whether it’s better understanding viral persistence or finding ways to manage symptoms, the fight against long COVID is ongoing. And as we learn more, we’ll continue to keep you informed.
To staying well,
Rachel Mace
Managing Editorial Director, e-Alert
with contributions from the research team
Sources:
The Conversation. (2024, December 2). Long COVID continues to stick around. Scientists may finally know why. Study Finds. https://studyfinds.org/long-covid-sticks-around/
