4. A public health official is faced with a rapidly spreading viral infection in a densely populated city. What is the critical public health principle to consider for intervention?
A.
Individual patient isolation is sufficient.
B.
The concept of herd immunity and vaccination strategies.
✓
C.
That the disease will naturally burn out.
D.
Only treating severe cases will halt spread.
📖 Additional Information
Individual patient isolation is sufficient.
The concept of herd immunity and vaccination strategies.
