Background and aims: Second to COVID-19 pandemic, other viral respiratory infections are still important causes of human diseases or co-infections. Hence, the present study was carried out to investigate the common respiratory viruses in patients with respiratory illness diagnosed negative for severe acute respiratory syndrome coronavirus-2 in primary screening.
Methods: In a cross-sectional study, a real-time PCR was carried out using HiTeq. 17 Viro Respiratory pathogen One Step RT-PCR Kit (Genova, Bonda Faravar, Bioluence, Tehran, Iran).
Results: A total of 311 individuals (mean age ± SD: 48.2 ± 21.7 years, range: 1-97 years) underwent second PCR. Among these, 161 (51.7%) were female. In total, 55 (17.6%) cases (mean age ± SD: 45.7 ± 18.1 years) were found positive for respiratory viruses panel in the second PCR. The HCoV-OC43/HKU1 was in 5.4% (17/311), Flu A in 4.5% (14/311), HCoV-229E/NL63 in 2.8% (9/311), HMPV in 1.9% (6/311), HPiV 1, 2, 3 in 1.2% (4/311), HRSV in 0.9% (3/311), and HAdV in 0.6% (2/311) of the cases studies. Also, co-infection was detected in 4 samples (1.2%). In addition, sore throat (0.028), headache (p = 0.016), and body pain (p = 0.0001) were statistically the most significant symptoms in studied cases.
Conclusion: According to the findings of our study, respiratory virus infections and co-infections were 17.6% and 1.2% frequent, respectively. Interestingly, nearly half of our positive cases (47.2%) were identified by coronaviruses (ОС43, Е229, NL63, and HKUI), followed by influenza A virus (25.4%). However, for more comprehensive results, we recommend using greater sample size.
Keywords: COVID‐19; multiplex real‐time PCR; prevalence; respiratory illness; viral infection.
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