(Not a doctor.) In general it is possible to get the same infection twice, depending on circumstances like a weak immune system, not recovering properly after t

(Not a doctor.) In general it is possible to get the same infection twice, depending on circumstances like a weak immune system, not recovering properly after the first one etc. Whether this is true for ncov is most likely not scientifically proven yet, but even if, it is safe to assume that this happening is the exception.