Fact 1: Passive immunity lasts only as long as the antibodies survive in body fluids.

Fact 2: Breastfeeding provides passive and likely long-lasting active immunity.

Given the two facts above, answer the question "What lasts only as long as the antibodies survive in body fluids?" with the following options: 
- recovery time from fatigue
 - Food poisoning
 - during the day
 - Leptospirosis
 - retaining heat
 - breastfeeding provides
 - an area swollen with pus
 - Something that causes allergies


 

      breastfeeding provides   