I think that the number of the Coronavirus infected will be two or three at most this month in the city where I live.
私の住んでるところはこの1ヶ月は、
コロナ感染者は出たとしても2、3人かな。
私の住んでるところ the area where I live
コロナ感染者の数 the number of the Coronavirus infected
せいぜい at most
かな? I think, I reckon, I suppose(確実にそう思うとき)
I think that the number of the Coronavirus infected will be two or three at most this month in the area where I live.