Recent studies in Harvard University, the private Ivy League research university in Cambridge, Massachusetts. Have supported research of a 99.7% chance of Covid- 19 prevention. This method can be made under the roof of your own household and is most likely already in your cupboards.
Prepare one onion and three cloves of garlic which are sliced into small pieces then topped with black pepper and sea salt. Put them into a container and pour roughly 350ml of mouthwash in.
Let this rest over night and the next morning inhale the odor and chew on the onion and garlic until swallowed. The onion have antioxidants and compounds that fight off viruses