Basically Q-Fever is one of the infections known to lead into ME/CFS for about 5-10% of those who catch it. So this might be including a good number of ME/CFS patients.
http://www.dutchnews.nl/news/archives/2014/09/q-fever_victims_sue_government.php :
http://nos.nl/artikel/694434-patienten-qkoorts-dienen-claim-in.html has a little more data, albeit in Dutch. But here's a translation of the paragraph about "chronic fatigue":
http://www.dutchnews.nl/news/archives/2014/09/q-fever_victims_sue_government.php :
...
They argue the government did not begin a mass vaccination programme of dairy goats until 2009, two years after the outbreak started, exposing them to the bacteria. Nor did the government properly inform the public about the risks, their lawyers say.
...
http://nos.nl/artikel/694434-patienten-qkoorts-dienen-claim-in.html has a little more data, albeit in Dutch. But here's a translation of the paragraph about "chronic fatigue":
They're also accusing the government of prioritizing the profits of farmers over public health.Sindram's clients still have burdens from the Q-fever they sustained years ago. Some have chronic fatigue symptoms which will presumably never pass.