The document summarizes Pakistan's healthcare system. It consists of both private and public sectors, with the private sector serving 70% of the population. Healthcare is organized into three levels - primary, secondary, and tertiary. Primary care is the first level and focuses on preventive services through facilities like basic health units and rural health centers. Secondary care is provided at district hospitals and focuses on referral services and specialist care. Tertiary care in specialized hospitals handles referrals from primary and secondary levels. The document also outlines the key principles of primary healthcare as defined by the Alma Ata Declaration of 1978.