But no one had touched the controls. An investigation revealed that a passenger in the third row was using his laptop computer, despite the pilot’s clear instructions that all electronic equipment be turned off.
किसी परजीवी से संक्रमित व्यक्‍ति का खून चूसने के बाद यह मक्खी दूसरे व्यक्‍ति को संक्रमित करने चल देती है ।