'Infirmity' in the Bible

And He went throughout all Galilee, teaching in their synagogues and preaching the good news (gospel) of the kingdom, and healing every kind of disease and every kind of sickness among the people [demonstrating and revealing that He was indeed the promised Messiah].

Jesus went throughout all the cities and villages [in Galilee], teaching in their synagogues and proclaiming the good news (gospel) of the kingdom, and healing every kind of disease and every kind of sickness [His words and His works reflecting His Messiahship].

Jesus summoned His twelve disciples and gave them authority and power over unclean spirits, to cast them out, and to heal every kind of disease and every kind of sickness.