coronaviruses, and help reduce the spread of SARS-CoV-2 that causes COVID-19, according to a study.The findings, published in the Journal of Medical Virology, indicate that some of these products might be useful for reducing the viral load, or amount of virus, in the mouth after infection.The researchers from the Penn State College of Medicine in the US tested several oral and nasopharyngeal rinses in a laboratory setting for their ability to inactivate human coronaviruses, which are similar in structure to SARS-CoV-2.The products evaluated include a 1 per cent solution of baby shampoo, a neti pot, peroxide sore-mouth cleansers, and mouthwashes.The team found that several of the nasal and oral rinses had a strong ability to neutralise human.