Answer:
Virus
Explanation:
Viruses are even smaller than bacteria and require living hosts — such as people, plants or animals — to multiply. Otherwise, they can't survive. When a virus enters your body, it invades some of your cells and takes over the cell machinery, redirecting it to produce the virus.
Skills to Help You Improve Your Personality
1. Become a Better Listener. If you are a good listener, you can learn a lot from your surroundings.
2. Expanding Your Interest.
3. Becoming a Better Conversationalist.
4. Meeting New People.
5. Polishing Interpersonal Skills.
6. Developing Leadership Skills.
7. Presentation Skills.
8. Treating People With Respect.
Immunisation, public health promotion to raise awareness and knowledge (e.g. Ads, at the provider-patient level)
Targeting and improving infrastructure for public welfare! e.g. Sewerage services for clean water
Screening for early diagnosis and treatment
Quarantining if required..
Though the word "potential" is throwing me off a bit here, are they asking you for novel strategies instead of solid ones?
The answer to your question is,
A. Euphoria
-Mabel <3
And oral contraceptive pill, they have an average of a 9% failure rate.