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Patient ReportsEnterovirus D68: Symptoms, Causes, Diagnosis and Treatment
Written by Medicover Team and Medically Reviewed by Dr Koppisetti Satya Naga Ravi Teja , Dermatologists
Table of Contents
Enterovirus D68 (EV-D68) Infection is a contagious viral respiratory illness caused by Enterovirus D68, a member of the enterovirus family. It primarily affects infants, children, and individuals with asthma or weakened immune systems, although adults can also become infected. Symptoms range from mild cold-like illness with runny nose, cough, and fever to severe respiratory distress requiring hospitalization.
In rare cases, EV-D68 has been associated with acute flaccid myelitis (AFM), a serious neurological condition that causes sudden muscle weakness. Early diagnosis, supportive medical care, and close monitoring are essential to manage symptoms, prevent complications, and improve outcomes.
What are the Types of Enterovirus D68?
Enterovirus D68 infection is generally classified based on the severity of illness and the body systems involved.
Mild Respiratory Enterovirus D68 Infection
This form resembles the common cold and usually resolves with supportive care within one to two weeks.
- Causes mild upper respiratory symptoms
- Usually self-limiting
- Most individuals recover completely
Severe Enterovirus D68 Infection
This type involves the lower respiratory tract or nervous system, causing severe breathing problems or rare neurological complications such as acute flaccid myelitis.
- May cause severe respiratory illness
- Can trigger acute flaccid myelitis
- Requires hospitalization in severe cases
What are the Symptoms of Enterovirus D68?
The clinical presentation of EV-D68 can vary widely, with symptoms resembling those of the common cold, including:
- Runny nose
- Sneezing
- Cough
- Body and muscle aches
In more severe cases, individuals, particularly children, may experience:
- Wheezing
- Difficulty breathing
- Asthma exacerbations
Enterovirus D68 in Children
Children are particularly susceptible to EV-D68, especially those with pre-existing respiratory conditions like asthma. The virus can exacerbate these conditions, leading to increased hospitalizations and, in severe cases, respiratory failure.
What are the Common Causes and Risk Factors of Enterovirus D68?
Enterovirus D68 infection occurs after exposure to respiratory droplets, saliva, or contaminated surfaces carrying the virus. Outbreaks often occur during late summer and autumn.
Good hand hygiene and avoiding close contact with infected individuals help reduce the spread of infection.
Causes
- Infection with Enterovirus D68
- Respiratory droplet transmission
- Direct contact with contaminated surfaces
- Close contact with infected individuals
Risk Factors
- Children, especially younger than 5 years
- Asthma or chronic lung disease
- Weakened immune system
- Close contact in schools or childcare settings
- Seasonal viral outbreaks
When to See a Doctor for Enterovirus D68?
Individuals with persistent cough, wheezing, difficulty breathing, or worsening respiratory symptoms should consult a Pediatrician, Pulmonologist, Dermatologists or General Physician promptly, especially if they have asthma or other chronic lung conditions.
You should see a doctor if you experience:
- Persistent fever with worsening cough
- Wheezing or increasing shortness of breath
- Symptoms that do not improve after several days
Seek emergency medical attention immediately if you:
- Have severe difficulty breathing or bluish lips
- Develop sudden weakness in the arms or legs
- Experience confusion, difficulty swallowing, or inability to speak normally
These symptoms may indicate severe respiratory illness or acute flaccid myelitis requiring urgent medical treatment.
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How is Enterovirus D68 Diagnosed?
Diagnosis is based on clinical evaluation and laboratory testing of respiratory samples. Additional investigations may be required when neurological complications are suspected.
Early diagnosis helps guide supportive care and monitor for serious complications.
Diagnostic Methods
- Medical history and physical examination
- Polymerase chain reaction (PCR) testing of nasal or throat swabs
- Respiratory viral panel testing
- Chest X-ray for severe respiratory illness
- Magnetic Resonance Imaging (MRI) of the spinal cord if acute flaccid myelitis is suspected
- Cerebrospinal fluid analysis when neurological involvement is present
What are the Treatment Options for Enterovirus D68?
Treatment is supportive because there is no specific antiviral therapy approved for Enterovirus D68 infection. Management depends on the severity of respiratory or neurological involvement.
Individuals with severe disease may require hospitalization for respiratory support and close monitoring.
Supportive Treatment
- Paracetamol or ibuprofen for fever and discomfort (as appropriate)
- Adequate fluid intake
- Rest and symptom management
- Bronchodilator therapy for individuals with asthma or wheezing
Hospital-Based Care
- Supplemental oxygen therapy
- Mechanical ventilation for respiratory failure when necessary
- Neurological rehabilitation for acute flaccid myelitis
- Intensive care support for severe illness
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What is the Recovery Process for Enterovirus D68?
Most individuals recover completely within one to two weeks with supportive care. Recovery may take longer in those with severe respiratory disease or neurological complications such as acute flaccid myelitis, which may require prolonged rehabilitation and specialist follow-up.
Getting adequate rest, maintaining hydration, taking prescribed medications, managing asthma appropriately, practicing good hand hygiene, attending follow-up appointments, and seeking immediate medical attention if new neurological symptoms develop help support a full recovery.
Recovery Includes
- Getting adequate rest
- Maintaining good hydration
- Taking medications as prescribed
- Following asthma management plans when applicable
- Attending follow-up appointments after severe illness
- Participating in physical rehabilitation if neurological complications occur
Frequently Asked Questions
1. What are the symptoms of Enterovirus D68?
Symptoms may include respiratory distress, wheezing, and muscle weakness, particularly in children.
2. What causes Enterovirus D68?
Causes are linked to viral infection from EV-D68, which can lead to respiratory illnesses, particularly in children and those with weakened immune systems.
3. How is Enterovirus D68 diagnosed?
Diagnosis typically involves clinical evaluation and laboratory tests to confirm the presence of the virus.
4. What treatment options are available for Enterovirus D68?
Treatment focuses on supportive care, including hydration and symptom management, as there are no specific antiviral treatments.
5. How does Enterovirus D68 relate to respiratory illness?
It is associated with outbreaks of respiratory illness, particularly during summer and fall, affecting children and immunocompromised individuals.
