... part of innate immunity . They are part of acquired immunity because they react differently to infection the second time around. This is why vaccines work: ...
4 Answers · Science & Mathematics · 13/04/2011
Yes by vaccination it is called active artificial immunity and developing an infection is called active natural immunity . Getting sick naturally is...
4 Answers · Science & Mathematics · 14/10/2008
Helper T cells are essential in determining B cell antibody class switching, in the activation and growth of cytotoxic T cells. So T helper cells regulate the activation of both cytotoxic T cells and antibody...
2 Answers · Science & Mathematics · 23/11/2007
An antigen is a foreign protein (such as bacteria or virus). I called it foreign because it is not a normal part of your body. Your cell membranes are designed to recognize that those substances are foreign...
3 Answers · Science & Mathematics · 28/07/2009
Immunity is the ability of the body to resist an infection of pathogen by producing a specific antibody. A...of serum containing antibodies to acquire immunity . VACCINE is a suspension of bacteria...
2 Answers · Science & Mathematics · 12/10/2011
Actual infection produces 'Active immunity ' because it will stimulate antibody production by person's immune system. Passive...
1 Answers · Science & Mathematics · 04/08/2008
Immumunity is the abilty of the body to defend itself from infection . Two categories: Innate immunity - immunity we are born with and does not change over the lifetime eg acid in...
3 Answers · Science & Mathematics · 13/06/2008
Non-Speciffic immunity are things that prevent all infection no matter what it might be. This type of immunity includes your...
2 Answers · Science & Mathematics · 26/06/2011
...currently only one serotype of chickenpox virus circulating in humans. Infection results in immunity to the only virus that is out there. In addition, you come in contact with...
2 Answers · Science & Mathematics · 30/01/2009
...viral, yeast infections . The adaptive immune system, alerted to infection by the innate immune cells then becomes armed. Adaptive immunity includes T lymphocytes and B lymphocytes...
2 Answers · Science & Mathematics · 29/12/2009
