A cough that refuses to go away can be more than just a minor irritation. Many times, it is linked to respiratory infections caused by bacteria or viruses. Identifying the exact cause becomes critical because the treatment for each pathogen is different.
While most people are familiar with the standard single swab test, a more advanced and reliable method exists, the respiratory qPCR panel. This diagnostic tool provides a comprehensive look at multiple pathogens at once, making it far more accurate in pinpointing the root cause of persistent coughs.
Why a comprehensive wound PCR test is the smarter choice
Traditional swab tests are designed to detect only one suspected infection at a time. For example, if a doctor suspects influenza, the swab will be tested only for influenza. But what if the actual cause is RSV, rhinovirus, or a bacterial infection? In such cases, the result comes back negative, leaving patients without answers and often prolonging their illness.
Moreover, co-infections, where more than one pathogen is present, are fairly common in respiratory illnesses. A single swab is almost certain to miss such cases. This is where it falls short in terms of accuracy and clinical value.
How a respiratory qPCR panel works
A respiratory qPCR panel is an advanced diagnostic test that uses molecular techniques to detect respiratory infections. Unlike traditional methods that test for one pathogen at a time, this panel can identify multiple viruses and bacteria from a single sample. It works by analyzing the genetic material of microbes, ensuring accurate and fast detection.
Single test, multiple detections
With just one swab, the qPCR panel screens for a wide range of pathogens. This is especially useful since respiratory illnesses often present with similar symptoms such as cough, fever, or sore throat, making it difficult to determine the exact cause without advanced testing.
Pathogens detected by the DLW respiratory panel
- Influenza A & B: These are common seasonal flu viruses that cause fever, cough, muscle pain, and fatigue. Detecting them early helps prevent complications and control outbreaks.
- Respiratory syncytial virus (RSV): RSV is a major cause of respiratory illness in infants and older adults. Quick detection is crucial for timely care.
- Adenovirus: This virus can mimic flu symptoms but may also cause conjunctivitis and gastrointestinal illness.
- Rhinovirus: The most frequent cause of the common cold, rhinovirus spreads quickly and can trigger asthma attacks in sensitive individuals.
- Parainfluenza virus: Known for causing croup, bronchitis, and pneumonia, parainfluenza can be severe in young children.
- Human metapneumovirus: This virus leads to cold-like symptoms and sometimes more serious infections like bronchiolitis.
- Mycoplasma pneumoniae: A bacterial pathogen that causes “walking pneumonia,” often with mild but persistent symptoms.
- Chlamydophila pneumoniae: Another bacterial cause of pneumonia, often leading to long-lasting cough and fatigue.
- Bordetella pertussis: The bacteria behind whooping cough, a highly contagious respiratory disease preventable with vaccination but still detected in many cases.
Benefits of choosing a respiratory qPCR panel
A respiratory qPCR panel is more than just a diagnostic test; it is a powerful tool that transforms how respiratory infections are detected and treated. By combining speed, accuracy, and wide coverage, it helps doctors move away from guesswork and towards targeted, evidence-based treatment. Here are the key benefits:
1. Comprehensive detection
Instead of testing for a single suspected infection, the qPCR panel screens for multiple respiratory pathogens in one go. This ensures that hidden or unexpected infections are not overlooked, reducing the risk of misdiagnosis.
2. Detects co-infections
Respiratory illnesses are often not caused by just one pathogen. The panel can identify co-infections such as viruses and bacteria working together, which might explain why some patients experience prolonged or severe symptoms. This allows physicians to design more effective treatment strategies.
3. Faster results
Traditional culture-based methods can take several days, delaying treatment decisions. A qPCR panel provides results within 24–48 hours, giving doctors the clarity they need to act quickly and begin treatment without unnecessary delays.
4. Guides targeted treatment
By pinpointing the exact pathogen, doctors can prescribe precise medications, whether antiviral or antibiotic. This avoids the trial-and-error approach and minimizes the use of broad-spectrum drugs.
5. Better patient outcomes
When diagnosis is faster and treatment is targeted, patients recover sooner, face fewer complications, and avoid unnecessary antibiotic exposure. Ultimately, this leads to improved health outcomes and greater confidence in care.
Why DLW respiratory panel stands out
When it comes to diagnosing respiratory infections, accuracy and speed are crucial. The Devansh Lab Werks (DLW) respiratory qPCR panel is designed to go beyond routine testing, giving doctors and patients a reliable solution for identifying a wide range of infections in just one step.
- Extensive coverage: The DLW panel screens for both viral and bacterial respiratory pathogens. From common infections like influenza and RSV to less frequent ones such as Mycoplasma pneumoniae or Bordetella pertussis, it ensures no important cause is overlooked.
- High sensitivity and specificity: With advanced molecular technology, the test minimizes the chances of false negatives or false positives. This means doctors and patients can trust the results with greater confidence, avoiding unnecessary repeat testing.
- Quick turnaround time: Traditional culture-based methods can take several days. DLW respiratory panel delivers results within 24–48 hours, allowing for faster diagnosis and earlier treatment decisions.
- One test, one solution: Instead of multiple swabs or repeated visits, the DLW panel provides a single test solution. This saves patients discomfort and gives clinicians a complete, detailed report in one go.
Conclusion
Lingering coughs should never be taken lightly, especially when they may stem from infections that require very different treatments. Relying on a single swab test often leaves patients with unanswered questions, delays recovery, and risks overlooking co-infections. The respiratory qPCR panel changes this approach by offering a clear, comprehensive, and accurate view of what’s really happening inside the respiratory tract.
With its wide coverage, speed, and precision, the DLW respiratory panel empowers clinicians to move from guesswork to targeted care. Patients benefit from quicker relief, fewer complications, and better long-term outcomes. Whether it’s a stubborn cough, recurrent respiratory symptoms, or unexplained illness, choosing a qPCR panel ensures no important detail is missed.

