If one washes negel vasser before davening and then gives sholom aleichem to someone who did not wash his hands for davening, does he need to wash again?
One need not rewash his hands if he shakes someone's hands. Sources: בשו״ת לב חיים פלאגי א, סה (וראה שם ב, ב. ובהשמטות לח״ב), ובכף החיים שלו ח,…




