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.
Answers. Best Answer: If you are healthy and had no complications from the vaccine, the Hepatitis B vaccine is known to provide immunity for at least 25 years and is believed to provide lifetime immunity.nswers. Best Answer: If you are healthy and had no complications from the vaccine, the Hepatitis B vaccine is known to provide immunity for at least 25 years and is believed to provide lifetime immunity.