There are a variety of speech-related symptoms that can be associated with apraxia, including: Difficulty stringing syllables together in the appropriate order to make words, or inability to do so. Minimal babbling during infancy. Difficulty saying long or complex words.
1 Understand that hepatitis B vaccination-induced protective antibodies can last for up to 15 years, but appear to fall off over time.
Â· just now. Report Abuse. There is NO vaccine for Hepatitis C & there is NO Cure! There is however a vaccine for Hepatitis A & B According to the CDC protective levels of antibody to hepatitis A virus could be present for at least 25 years in adults and at least 14â20 years in children. just now. Report Abuse. There is NO vaccine for Hepatitis C & there is NO Cure! There is however a vaccine for Hepatitis A & B According to the CDC protective levels of antibody to hepatitis A virus could be present for at least 25 years in adults and at least 14â20 years in children.