Apraxia is a neurological disorder characterized by the inability to perform learned (familiar) movements on command, even though the command is understood and there is a willingness to perform the movement. Both the desire and the capacity to move are present but the person simply cannot execute the act.
1 For healthy persons aged 12 monthsâ40 years, single-antigen Hepatitis A vaccine at the age-appropriate dose is preferred to IG because of the vaccineâs advantages, including long-term protection and ease of administration, as well as the equivalent efficacy of vaccine to IG.
1 Understand that hepatitis B vaccination-induced protective antibodies can last for up to 15 years, but appear to fall off over time.  Patients who were vaccinated 10 to 15 years ago, especially those who were vaccinated as children, may not be adequately protected. For patients with this history who are at moderate to high risk of hepatitis B infection consider quantitative hepatitis B antibody measurement to determine protective immunity.