or...wear a homemade mask - the countries with a flatter curve like South Korea have everyone wear some kind of mask homemade or not, the US and certain other European countries don't understand why masks prevent asymptomatic spread so their infection rates have exploded
Even a homemade mask greatly reduces the quantity of virus particles you get or send out to other people, which studies have shown fewer virus particles at once helps make your case less serious if you do catch it