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Rhinovirus-Infected Patients in the COVID-19 Pandemic Period

Authors Watanabe Y, Kamioka Y, Seki M

Received 31 December 2020

Accepted for publication 4 February 2021

Published 17 February 2021 Volume 2021:14 Pages 609—611

DOI https://doi.org/10.2147/IDR.S300001

Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Prof. Dr. Héctor Mora-Montes


Yuji Watanabe,1,2 Yasuhiro Kamioka,1,3 Masafumi Seki1

1Division of Infectious Diseases and Infection Control, Tohoku Medical and Pharmaceutical University Hospital, Sendai City, Miyagi, Japan; 2Laboratory for Clinical Microbiology, Tohoku Medical and Pharmaceutical University Hospital, Sendai City, Miyagi, Japan; 3Department of Pharmacy, Tohoku Medical and Pharmaceutical University Hospital, Sendai City, Miyagi, Japan

Correspondence: Masafumi Seki
Division of Infectious Diseases and Infection Control, Tohoku Medical and Pharmaceutical University Hospital, 1-12-1 Fukumuro, Miyagino-ku, Sendai City, Miyagi, 983-8612, Japan
Tel +81-22-983-1221
Fax +81-22-983-1232
Email m-seki@tohoku-mpu.ac.jp

Abstract: Human rhinovirus (HRV) is known as one of the most important respiratory pathogens, and the clinical characteristics of HRV infection might be similar to those of coronavirus disease 2019 (COVID-19). We identified 11 HRV-infected patients by polymerase chain reactions of the HRV genes among 151 outpatients with fever. All nine adult patients had underlying diseases and finally improved with the appropriate treatment in this COVID-19 pandemic period. Differential diagnosis between HRV and severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection will be needed to save lives and medical resources.

Keywords: SARS-CoV-2, human rhinovirus, PCR, antimicrobial stewardship

Commentary

Since February 2020, the coronavirus disease 2019 (COVID-19) pandemic has been a huge issue in the world including Japan, and many clinics and hospitals have started polymerase chain reaction (PCR)-based surveillance of febrile patients and/or patients with a history of close contact with COVID-19 persons and who visited a pandemic metropolitan area.1,2 In this pandemic era, the trends of the other respiratory viruses, including influenza (flu), respiratory syncytial virus (RSV), human metapneumovirus (hMPV), and human rhinovirus (HRV) may be important factors affecting the prevalence of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), because virus-virus interference is well known.3

In our hospital, we identified 11 HRV-infected patients among 151 febrile outpatients from October 10 to December 25, 2020 (Table 1). These patients were initially suspected to have COVID-19, but SARS-CoV-2 infection was not detected by PCR-based surveillance (cobas SARS-CoV-2 test, Roche, Basel, Switzerland).4 We confirmed HRV infection using virus-specific primers (LightMix Modular Rhinovirus, Roche),5 and the patients showed the characteristic clinical features: all nine “adult” patients had underlying diseases, although the other three “pediatric” patients (Patients 5, 8, and 9) had been healthy. A variety of diseases were diagnosed, and bacteria, such as Escherichia coli, Streptococcus pneumoniae, and Staphylococcus aureus were isolated from some patients (Patients 2, 4, and 5), but they finally improved with the appropriate treatments, including antibiotics, such as meropenem, ampicillin/sulbactam, and cefazolin. Only one parainfluenza virus-infected patient was found (data not shown), but no other viruses, including Flu, RSV, hMPV, and SARS-CoV-2, were detected among the 151 febrile outpatients.

Table 1 Clinical Characteristics of Human Rhinovirus Infected Patients

HRVs are known to be the responsible pathogens for more than half of the cold-like illnesses, and recently they have been found not only as upper respiratory tract pathogens, but also as lower bronchial tract pathogens, in particular, in patients with asthma, infants, elderly patients, and immunocompromised hosts.6 The symptoms, signs, and pathogenesis of HRV infection may be severe and similar to COVID-19 in patients with underlying diseases. Therefore, accurate differential diagnosis is critical to save the patients and valuable medical resources, including antimicrobial agents, based on the antiviral stewardship philosophy. In addition, the development of anti-HRV agents may also be needed to improve these patients’ conditions quickly in the COVID-19 pandemic era.

Ethics

The analysis was approved by the Committee for Clinical Scientific Research of Tohoku Medical and Pharmaceutical University Hospital on May 21, 2017 (No. ID 2017-2-010), and the patients provided written, informed consent for use of their specimens, although the samples were collected as part of routine laboratory analyses.

Disclosure

The authors report no conflicts of interest in this work.

References

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4. Pujadas E, Ibeh N, Hernandez MM, et al. Comparison of SARS-CoV-2 detection from nasopharyngeal swab samples by the Roche cobas 6800 SARS-CoV-2 test and a laboratory-developed real-time RT-PCR test. J Med Virol. 2020;92:1695–1698. doi:10.1002/jmv.25988

5. Moesker FM, van Kampen JJ, van Rossum AM, et al. Viruses as sole causative agents of severe acute respiratory tract infections in children. PLoS One. 2016;11:e0150776. doi:10.1371/journal.pone.0150776

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