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Lung India Official publication of Indian Chest Society  
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Year : 2020  |  Volume : 37  |  Issue : 3  |  Page : 246-251

Nasopharyngeal wash in preventing and treating upper respiratory tract infections: Could it prevent COVID-19?

1 Department of Chest and Tuberculosis, SMS Medical College, Jaipur, Rajasthan, India
2 Department of Epidemiology, IIHMR, Jaipur, Rajasthan, India
3 Research Division, Asthma Bhawan, Jaipur, Rajasthan, India
4 Rajasthan Hospital, Jaipur, Rajasthan, India

Correspondence Address:
Dr. Virendra Singh
C-93 Shastri Nagar, Jaipur - 302 016, Rajasthan
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/lungindia.lungindia_241_20

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Rapid transmission of the severe acute respiratory syndrome coronavirus 2 has led to the novel coronavirus disease 2019 (COVID-19) pandemic. The current emphasis is on preventive strategies such as social distancing, face mask, and hand washing. The technique of nasopharyngeal wash to prevent the virus from inhabiting and replicating in the nasal and pharyngeal mucosa has been suggested to be useful in reducing symptoms, transmission, and viral shedding in cases of viral acute respiratory tract infections. In rapid systematic review, we found studies showing some improvement in prevention and treatment of upper respiratory tract infections. We postulate that hypertonic saline gargles and nasal wash may be useful in prevention and for care of patients with COVID-19. The present evidence emphasizes the need of randomized controlled trials to evaluate the role and mechanism of nasopharyngeal wash in COVID-19.

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