Answer:
#1: No
#2: Yes due to the fact that as more spread the more that they would want to prevent people from getting sick from being bitten.
#3: No, these mosquitoes would only be carrying a disease, not a different type a breed.
#4: Other bigger bugs or small animals who would normally eat bugs.
#5: Thousands if not millions of dollars across the world due to the fast spread of them moving to a new area.
Explanation: