CDC recommends that the two doses of vaccine against 2009 H1N1 influenza virus be separated by 4 weeks. If the second dose is administered beyond 4 weeks, the bodyâs immune system still remembers the first dose and develops antibodies or protection against 2009 H1N1 influenza virus.
The adjective determined means devoted or dedicated to a cause or activity. (e.g. He was determined to succeed. / They were fighting a determined enemy.) The past tense determined (verb to determine) can mean: * discovered by experiment or analysis (e.g. They determined the cause of the spill.) * had been set, established, or fixed (e.g. Production was determined by the demand.)
1 To be determined (TBD) - the appropriateness, feasibility, location, etc. of a given event has not been decided. 2  To be announced (TBA) - details may have been determined, but are not yet ready to be announced.