 Of note is that doxycycline level obtained while in the hospital on 10/21/2007 was 6.5 mcg/mL.  Q-fever serology obtained on 10/05/2007 was positive for phase I antibodies in 1/2/6 and phase II antibodies at 1/128, which is an improvement over previous elevated titers. 
Of note is that doxycycline level obtained while in the hospital on 10/21/2007 was 6.5 mcg / mL. Q - fever serology obtained on 10/05/2007 was positive for phase I antibodies in 1/2/6 and phase II antibodies at 1/128 , which is an improvement over previous elevated titers .