Read the statements; select a logical EFFECT.

Epidemic diseases such as typhoid and smallpox used to take many lives. Now, medicine can inoculate children against these diseases.
A:There are fewer cases of certain diseases.
B:Children no longer are inoculated.
C:There is now a vaccine to prevent colds.
D:Smallpox and typhoid no longer kill people.
E:Children must be inoculated before they can go to school.