Question

differentiate between public hygiene and personal hygiene

Answer 1

public hygeine refers to cleanliness based on our environment like clean roads,proper managed drainage systems, etc. personal hygiene refers to individual hygiene like proper bathing,clean hands etc.

Answer 2

Public hygiene refers to the cleanliness kept by the public as a whole.
It includes measures that an individual cannot take alone
For eg. : Removing stagnant water from the society to prevent mosquito out break.

Personal hygiene refers to the cleanliness that one maintains around himself.
It includes measures that an individual can take alone.
For eg.  Avoiding going into dirty places.