降低8.5 倍的入院风险。

A study released in September 2020 indicated that gargling with a saline-based solution can reduce viral load in COVID-19, and another released in 2021 suggested that saline works multiple ways to reduce cold symptoms related to infection with other coronaviruses and might work as well as a first-line intervention for COVID-19.

this  time

"We found an 8.5-fold reduction in hospitalizations and no fatalities compared to our controls“

https://www.news-medical.net/news/20220913/Saline-nasal-irrigation-after-COVID-19-diagnosis-reduces-hospitalization.aspx

盐水洗洗，挺好。

哈哈，疫苗一族情何以堪。