Lithium and Lamictal both have a half-life of about a day, hence, 5 days and either is out of your bloodstream (or, at a steady state). Abilify, by contrast, has a half-life of 75 hours, so it takes about 2 weeks either to reach a steady level or to leave your system.
According to the CDC, sepsis one of the top 10 causes of death in the US. Often, people can recover from early to mild sepsis, but there is a 50% mortality rate for those that develop late severe sepsis.
Those with severe stroke side effects will continue to participate in physical therapy to regain lost functions. Those with mild stroke side effects could recover after just one year. Those with medium side effects may benefit from continued rehab in order to achieve a fuller recovery. The amount of time it requires for you to recover from stroke is highly dependent upon your compliance with rehab and motivation to keep going.