Starting twice daily flushing of the mucus-lined nasal cavity with a mild saline solution soon after testing positive for COVID-19 can significantly reduce hospitalization and death, investigators report.
They say the technique that can be used at home by mixing a half teaspoon each of salt and baking soda in a cup of boiled or distilled water then putting it into a sinus rinse bottle is a safe, effective and inexpensive way to reduce the risk of severe illness and death from coronavirus infection that could have a vital public health impact.
Click for the scientific journal article.
The irrigation, aka lavage, was not done by simply filling a spray bottle with the saline solution and squirting it up your nose. Participants used one of two high pressure devices: NAVAGE or Neilmed Sinus Rinse. The manufacturer’s of those devices provided at least partial funding for the study.