Complex sentence: Early research suggested the virus is related to one found in the Egyptian tomb bat, such as work by epidemiologist Ian Lipkin of Columbia University in New York, whose virus isolate from a bat looked to be a match to the virus found in humans.
Split into simpler sentences: Early research suggested the virus is related to one found in the Egyptian tomb bat. Work by epidemiologist Ian Lipkin of Columbia University in New York, showed that the virus isolate from a bat looked to be a match to the virus found in humans.