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.
Diptheria, Tetanus and Polio would normally be booster doses, which last 10 years. Hepatitis A (as viatim, hepatyrix or havrix mono) gives for protection for up to 1 year. If a booster dose is given 6 months to 1 year after the 1st dose, protection will last 10 years.Hepatitis B vaccination, if given over 6 months, lasts about 5 years. If given in a shorter period (2 months or 3 weeks), cover will only last 1 year and a booster is needed at 1 year for 5 year protection.Meningitis A+C (meningivac) last between 3 and 5 years.epatitis A (as viatim, hepatyrix or havrix mono) gives for protection for up to 1 year. If a booster dose is given 6 months to 1 year after the 1st dose, protection will last 10 years.