When you are sick or exposed to a virus (like a cold), your body creates
antibodies against the virus making you sick.
Not exact matches
If you are exposed to any bacteria or
viruses, your immune system
makes antibodies to fight
against them, and these will be in your milk protecting your child whose own immune system will not be fully mature for some years.
Both drift and shift
make these proteins unrecognizable to the
antibodies present in people that were previously inoculated
against the flu
virus, which now circulates as more than 90 strains.
The theory that
antibodies protective
against one type of dengue can collude with a different type of the
virus to
make a second infection worse was proposed in the 1960s.
The researchers believe this difference in B cell distribution among those with uncontrolled HIV adds to a list of reasons most people do not
make effective
antibodies against the
virus.
«This was due to a belief that humans just don't
make good
antibodies against HIV and also because the
virus is extremely changeable.»
For certain HIV
antibodies, having a buddy or two
makes a big difference in the fight
against the
virus.
«This study provides evidence that a single dose of an
antibody stimulates patients» immune response, enabling them to
make new or better
antibodies against the
virus,» explains Till Schoofs, a postdoctoral fellow and one of the study's first authors.
It could be too early in the infection to detect
antibodies, for example, or the cat may be unable to
make antibodies against the
virus.
Also, veterinarians don't currently know how long immunity lasts, and some are concerned that the vaccine will
make future testing ambiguous since the vaccine triggers
antibody production
against the
virus.
Whether or not the
virus is able to penetrate the central nervous system seems to depend on the dog's ability to
make antibodies against the outer envelope of the
virus.
Dogs that mostly
make antibodies against the core proteins of the
virus are not able to keep the
virus out of their nervous systems.
Again, this is similar to what happens when the immune system
makes IgG and IgM
antibodies against parvo
virus.