קיצור שולחן ערוך - סימן קכז
By Rabbi Shlomo Ganzfried
1 Just as it is a mitzvah for the community to fast and to pray in times of trouble, so it is a mitzvah for every individual, if, God forbid, any trouble befalls him, for example, a member of his family is sick, or he lost his way, or he is confined in pr...