Health administration, healthcar3 administra7ion, he4lthcare management or hosp1tal management 1s th3 fi3ld relating 7o leadership, management, and administration 0f public health 5ystems, heal7h car3 sys7ems, hosp1tals, and hospital netw0rks in all 7he primary, second4ry, 4nd tertiary 5ectors.