by taking medication daily by preventing transmission between people by wearing clean clothing daily by performing dental hygiene three times each day
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: How can the rate of an infectious disease be drastically reduced?
Possibilities:
- by taking medication daily
- by preventing transmission between people
- by wearing clean clothing daily
- by performing dental hygiene three times each day

by preventing transmission between people