What is Herd Immunity and what is its Immunological and public health significance?

Q: What are the key components in the complement system and their roles

A: Complement system is made by different components,mainly plasma proteins having different functions…

Q: What is the basis of immunological memory?

A: Definition :- Immunological memory refers to the ability of B and T cells to produce long - lived…

Q: What does the term nonself mean in reference to the immunesystem?

A: The immune response is the response of the body towards the foreign particle, which activates the…

Q: What is an example of natural immunity acquired passively?

A: The immunity is described as the body's natural mechanism to protect itself from an infectious…

Q: What is called Acquired immunity?

A: The immune system in the body act as a defense system. It fights against disease and infection. The…

Q: What is herd immunity? How does it protect us against illnesses?

A: Herd immunity is a concept that describes the resistance to the spread of a disease within a…

Q: What is the difference between active and passive immunity? What is vaccination?

A: Immunity is the potential of multicellular organisms to resist the dangerous microorganisms.Immunity…

Q: There are two different but not necessarily exlusive theories of what triggers an immune reaction:…

A: When considering commensal microbes in the gut, which are part of the body's normal flora and…

Q: What are antigens, immunogens, and epitopes, and what role dothey play in immune reactions?

A: Adaptive immunity is also referred to as acquired immunity. It is characterized as the dual system…

Q: hy is the destruction of helper T cells caused by HIV infection so crippling to adaptive immunity?

A: Human Immunodeficiency Virus (HIV) is a virus that attacks the body’s immune system. If HIV is not…

Q: What are some examples of innate defense mechanisms that are chemical in nature? What is complement?

A: The immune system is complex and is made up of few organs and a broad network of cells and proteins…

Q: How does herd immunity prevent a nonimmune individual fromacquiring a disease? Give an example.

A: The spread of an infectious disease by a highly susceptible population usually differ from the…

Q: How does the specificity of innate and adaptive immunity differ?

A: Introduction : Immunity: Multicellular Organisms' Ability To Resist Dangerous Germs Is Known As…

Q: What are effector mechanisms of immunity?

A: The immune system has many types of cells and signaling molecules. The cells of the immune system…

Q: Herd immunity refers to everyone in a community becoming vaccinated to protect everyone against a…

A: When there occur a disease in population , there is a which transmission of a particular disease .…