A test that was as cheap to use & as quick as, say, toothpaste would make it a lot easier for people to know if they are sick. Especially if it can detect you are shedding virus before you have symptoms.
A test that was as cheap to use & as quick as, say, toothpaste would make it a lot easier for people to know if they are sick. Especially if it can detect you are shedding virus before you have symptoms.