Wow right in our backyard... an alternative treatment beside vax... but what will hsa say?
spray is no good for human
probably wear mask is more effective?
wear mask visible,
spray or not not visible.
What I mentioned abt mouth spray in the old sgtalk lailiao....or later something for you to suck....?
masks + nasal spray + throat spray + Qingfei Paidu Decoction for lung = multilayer defence
it is a good trial. the throat nose is the narrow passage way for covid-19 to enter.
if there is defence at these point it can be very effective. something like a sticky substance. that will hold it at entrance of nose until one go home and wash with saline.
this watermelon frost very effective for throat irritations, as the 3rd layer of defence
After 09th will get free wan... dun noe which brand

(30-07-2021, 04:06 PM)Galilo_l Wrote: [ -> ]After 09th will get free wan... dun noe which brand 
prolong use dunno safe or not. usually spray cannot spray for too long one.