The cytoplasm of a bacterial cell contains the deoxyribonucleic acid (DNA) molecules that make up the bacterial genome (or nucleoid), the transcriptional machinery that copies DNA into ribonucleic acid (RNA), and the ribosomes that translate the messenger RNA information into protein sequence.
Influenza vaccine is recommended for all people over 6 months of age, it is an inexpensive way of protecting yourself, your family and your community from the spread of influenza. How long does protection from the vaccine last? The vaccine takes about 2 weeks to work and will last for about 12 months.
How long your own flu shot lasts depends on how powerfully your own immune system reacts to it, said Dr. John J. Treanor, a vaccine expert at the University of Rochester medical school. In a young, healthy person, protection might last for years, even as circulating flu strains change.