top of page

What are Long-Haul Illnesses & How are We Impacted? 

40-45% WITH THE DISEASE ARE ASYMPTOMATIC AND HAVE NO SIGNS OR SYMPTOMS. Agile’s testing methodology is effective at identifying the hidden threat of asymptomatic individuals, because we use two highly accurate rapid tests for validation-- Rapid Antibody and Antigen tests.

   Long Haul Illness List   

People with long COVID, or “long-haulers,” are COVID-19 survivors but they have persistent symptoms such as shortness of breath, fatigue, headaches, palpitations, and impairments in mental health and cognition.

 "Long haulers", have in theory recovered from the worst impacts of COVID-19 and have tested negative. There seems to be no consistent reason for this to happen.


This condition can affect anyone – old and young, otherwise healthy people and those battling other conditions. It has been seen in those who were hospitalized with COVID-19 and patients with very mild symptoms. 

According to a study by Oxford Univ., 33% of people get at least one “long haul” illnesses 3-6 months after getting COVID19 including but not limited to:

  • pneumonia

  • "brain fog" / encephalopathy

  • cardiomyopathy

  • stroke

  • atrial fibrillation

  • diminished respiratory capacity

  • glaucoma

  • vascular disease

  • hair loss

  • blood clotting

  • paralysis 

Some patients who have been seriously ill from COVID-19 develop acute respiratory distress syndrome (ARDS), which can permanently scar their lungs. 


Lungs are the main organs affected by COVID19; however, the virus can also affect other organs, such as the kidneys, brain, and liver. Lungs are the main organs affected by COVID19.  

   What is "Brain Fog"?   

Brain fog isn’t minor or a medical diagnosis, it’s a general term used to describe the feeling of being mentally slow, fuzzy, or spaced out.

Symptoms of brain fog can include:
   •    memory problems
   •    lack of mental clarity
   •    poor concentration
   •    headaches
   •    confusion


Some people who’ve had COVID report brain fog that lasts weeks or even months after their other symptoms — like cough, fatigue, or fever —have gone away.

Why COVID causes brain fog: 

Once in the system, coronavirus enters cells through an enzyme called angiotensin-converting enzyme 2 (ACE2) receptor.  The virus is neuro-invasive, meaning that it enters your brain tissue.

Researchers have found that some people who’ve had COVID develop complications such as altered consciousness or encephalopathy.


Encephalopathy refers to damage or disease of your brain.  A study from January 2021 found increased levels of inflammatory cytokines in the fluid surrounding the brains of people weeks after their COVID-19 infection.  Cytokines are molecules produced by your immune system that encourage inflammation.  Inflammation in your brain hinders the ability of your neurons to communicate. 

Researchers have also identified
microstructural changes in the hippocampus are of the brain after COVID. They believe that these changes contribute to cognitive impairments.  


   All Tests Are Not Equal   

All rapid tests are not equal and do not have the high accuracy, specificity and sensitivity of Agile’s testing.

Reducing the risk of these illnesses is the reason the two-prong rapid testing methodology of Agile is important to eliminating the spread of COVID19 in the workplace, schools, sporting and other events.

This is MORE REASON for UNVACCINATED people to get Antibody testing --  it's the only way to have conclusive proof that an individual has or has not been infected with COVID19.


bottom of page