<em>Answer:</em>
<em>The Doctor may suspect that the cancer runs through the family. Why, because if three different people all have the same exact cancer then it must means that it's in their genes or genotype from the parent passed down to the offspring.</em>
Explanation:
Answer:
The correct option is: B) echovirus
Explanation:
The echovirus is a highly infectious RNA virus, which is present in the gastrointestinal tract and is responsible for causing aseptic meningitis, commonly called viral meningitis.
This virus is predominantly transmitted in humans via the fecal-oral route. It can also be transmitted via respiration of oral secretions such as saliva.
The correct multiple-choose answer sounds like it would be: C) Portal of entry. I hope this helped!