Matching Pairs Public Health Activity MatchOnline version Practice public health activity concepts by matching the types of public health activities with examples. by Kristin Zimmerman 1 Screening 2 Assessment 3 Active Surveillance 4 Passive Surveillance Non-profit organization surveys the community concerning their exercise habit. Nurses perform blood pressure checks at a community health fair. Cases or data are reported by health care providers and laboratories. State or local public health personnel reach out to providers and laboratories to determine recent occurrence of a disease or condition under surveillance.