Doxycycline gives a full recovery in 87 percent of early cases. If you have waited three weeks to take the antibiotic, you have reduced the chance that it will work for you, but there is still a good chance that it will work, so don't delay any longer. Taking an antibiotic does not make you resistant to it.
Under FMLA, an employee can take time off to care for an immediate family member with a serious health condition. The U.S. Department of Labor defines immediate family member (for FMLA purposes) as a son, daughter, spouse, or parent. Domestic partners are not spouses or relatives under the FMLA.
The largest aircraft used for a scheduled domestic service in the USA that is a DOMESTIC route only, is the Boeing 777, though the most common is a Boeing 757 and 767. Some airlines use larger aircraft on domestic legs on an international flight throughout the USA, which do include the 747, however some airlines don't have a license to carry domestic passengers on those routes.