The reports of human disease attributed to bird mites are rare, but they do occur. There have been reports by some people of strange fibers on the skin and Morgellons symptoms that started after a mite infestation, but the link is vague and requires further research.
A universe is a business-oriented mapping of the data structure found in databases: tables, columns, joins, etc. It can represent any specific application, system, or group of users. For example, a universe can relate to a department in a company such as marketing or accounting.
The multiverse (or meta-universe) is the hypothetical set of finite and infinite possible universes, including the universe in which we live. Together, these universes comprise everything that exists: the entirety of space, time, matter, energy, and the physical laws and constants that describe them.