Not exact matches
Even unvaccinated people who have already gotten the flu
still benefit from vaccination since the vaccine
protects against 3 different flu
viruses.
It renders the
virus incapable of causing an infection but
still provokes the immune response that will
protect vaccine recipients
against future infections.
Despite years of trying, scientists
still haven't created an HIV vaccine that can
protect people
against the
virus, says Alan Aderem, a biologist at the Center for Infectious Disease Research in Seattle.
The first live - attenuated Zika vaccine
still in the development stage completely
protected mice
against the
virus after a single vaccination dose, according to new research from The University of Texas Medical Branch at Galveston and Instituto Evandro Chagas at the Ministry of Health in Brazil.
The reliably high percentage of those who develop viremia following exposure to this challenge
virus is another advantage — when most or all volunteers develop viremia or other signs of infection, clinical trials can enroll relatively small numbers of people but
still achieve answers to such questions as whether a candidate vaccine
protects against infection, she noted.
Oral polio vaccination will continue, but it will use a vaccine that
protects against just the two other types of polio
virus that are
still circulating in their wild form in Nigeria, Pakistan and Afghanistan.
This
protects the normal, healthy cells from being infected, while
still allowing the
virus to work
against cancer cells.
The NCSU protocol «highly recommended» vaccination with a modified live
virus vaccine and noted that dogs are
still protected against parvo when challenged by the disease as much as seven years later.