From 2003...
http://findarticles.com/p/articles/m...8/ai_110665827
KLM to monitor passenger health after a number of fainting incidents
Airline Industry Information, Nov 28, 2003
AIRLINE INDUSTRY INFORMATION-(C)1997-2003 M2 COMMUNICATIONS LTD
KLM Royal Dutch Airlines is planning to monitor passengers travelling on its aircraft because about seven passengers have fainted on Boeing 777 aircraft during the past two weeks.
According to a KLM spokesperson, about seven passengers have fainted on flights to Toronto, Canada and Cape Town, South Africa served by Boeing 777-200ER aircraft. The carrier is now seeking to identify if any passengers on its other aircraft are also showing signs of being unwell.
KLM will register any incidents of people being sick, having headaches or showing signs of fainting over the next couple of weeks.