Answer: Measurement techniques that allow the global analysis of cellular responses while retaining single-cell sensitivity are increasingly needed in order to understand complex and dynamic biological processes.
You can contract a communicable disease by coming in direct contact with an infected person e.g. a cold. This is not to be confused with a non-communicable disease which you cannot contract by coming into contact with someone at all e.g. cancer, diabetes, Alzheimer's.
I hope this helps and that you have a great rest of the day! :)