Sahih Bukhari Volume 007, Book 071, Hadith Number 624

The Prophet (ﷺ) said, "If you hear of an outbreak of plague in a land, do not enter it; but if the plague breaks out in a place while you are in it, do not leave that place." 
                                                                                                

                                                                                                       (Sahih Bukhari Volume 007, Book 071, Hadith Number 624)