Question

Andrea works in an office where frequent outbreaks of colds and viruses occur. However, Andrea stays healthy most of the time and rarley misses work. Which is the most likley explanation for Andreas health in this enviorment? She has probably already had all the strains of the colds and viruses, she has probably been taking viatmins, she probably washes her hands frequently and avoids touching her nose or mouth, she probably inherited immunity to most colds and viruses from her parents

Answer 1

She has probably already had all the strains of colds and viruses in her office.
this is what i think.

Answer 2

from a plc presentation the answer is she probably washes her hands frequently and avoids touching her nose or mouth

Answer 3

http://prezi.com/hbfait9zq0rb/plc-presentation-2013/