Breathing in droplets and sneezing/ coughing.x
It is spread from one person to another and there is a lot of tension between the people and they will have grown apart, it is most likely to be caught of an old best friend.
empathy
Ancient technologies required that conquerors have taken them to another region, and teach the people how to use the novelties.
Semen and blood.
blowfly
South Africa (most likely from my studies)
Yes it will because another person's itunes will most likely have different songs.
which is most likely to be another application of x-rays
Vulgar is another word that the person most likely won't understand it has multiple meanings such as ugly, rude...ect
If a person had an infection of the respiratory system, they would most likely have a cough.
An old person
Most likely not. If by a comeback you mean that they are going to spread, then most likely no. But, there are still some people who have the beliefs of hippies.