Annual influenza revaccination reduces all-cause mortality in community-dwelling elderly persons, a study suggests.
Revaccination in the next year reduced mortality by 24%.
Annual revaccination increases vaccine efficacy for reducing mortality risk in this population, they concluded.
For a person in a population of 280 million who is considering preexposure revaccination with a risk for serious vaccine-related adverse events of 1 in 1,000,000, even at a 1 in 10 risk for smallpox attack, the net risk is <0, and the decision criteria would indicate not accepting revaccination (scenario assumed 1,000 smallpox cases before discovery of the attack, and setting [P.
The persistence of neutralizing antibodies after revaccination against smallpox.
Thus, in consideration of the number of pneumococcal vaccinations and revaccinations administered yearly throughout the world, physicians should be aware of the risk of systemic cutaneous reactions to this vaccine, and recipients should be informed of such.
3) Rodriguez and Dyer (4) reported that the incidence of local side effects after revaccination was 60%.
5 (a) This population includes 1,069 revaccinations
, accounting for 79% of total vaccinations.