Public health measures are essential to protect against COronaVIrus Disease 2019 (COVID-19). The nose and the mouth represent entry portals for the COVID 19. Saline Nasal Irrigations (SNIs) can reduce the viral load in the nasal cavities. Oral rinse with antimicrobial agents is efficacious in reducing the viral load in oral fluids. We advocate the inclusion of SNIs and ethanol oral rinses as additional measures to the current public health measures, to prevent and control the transmission of any respiratory infectious disease, including COVID-19.

中文翻译：

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鼻腔冲洗和漱口水可以降低COVID-19感染的风险吗？

公共卫生措施对于预防2019年冠状病毒至关重要（COVID-19）。鼻子和嘴巴代表COVID 19的入口。盐水鼻腔冲洗（SNI）可以减少鼻腔中的病毒载量。用抗菌剂进行口腔冲洗可有效减少口服液中的病毒载量。我们主张将SNI和乙醇漱口液包括在内，作为当前公共卫生措施的附加措施，以预防和控制任何呼吸道传染病（包括COVID-19）的传播。