https://www.cvs.com/shop/cvs-health-sinus-wash-neti-pot-kit-prodid-896024
https://www.walmart.com/ip/Equate-Neti-Pot-Sinus-Wash-System-Blue-50-Neti-Salt-Saline-Packets/806871684?wl13=2360&selectedSellerId=0
盐水反复冲洗鼻腔和喉咙里面(部分盐水会从鼻腔自然流入喉咙,咳出即可),就把病菌冲走了。