Which of the following statements is true regarding herd immunity:   a. herd immunity is achieved when 80-85% of a population are vaccinated for all pathogens   b. herd immunity has been observed through natural immune acquisition   c. herd immunity protects the unvaccinated and vulnerable people in a population   d. herd immunity is only achieved when every one in a population is vaccinated

Q: Active vs Passive vaccination, which is false: A. Passive vaccination: involves infusion of another…

A: Passive vaccination or passive immunization is referred to the administration of antibodies to an…

Q: A patient with a _______ titer of antibodies to an infectious agentgenerally has greater protection…

A: The human immune system has antibodies against specific antigenic targets. These antibodies act upon…

Q: What are the benefits of herd immunity? Is it helpful to any specific populations

A: Ans. Herd immunity occurs when a high percentage of the community is immune to a disease, making the…

Q: Notice the dotted line for a CD4 count of 200. Why is that level important?   A This is the point…

A: HIV and CD4 Count HIV -  human immunodeficiency virus causes Acquired immune deficiency syndrome…

Q: A study by the CDC reported that only 73% of children in some areas of the United States are being…

A: Vaccination is the procedure of injecting a lesser pathogen or a disease's weakened antigen into a…

Q: Complete the following analogy, based on the comparisons made in the read "Why our flu vaccines…

A: Human immune response As evolution of flu virus is fast and how body respond to it.

Q: When immunity is developed in another individual is transferred to an individual who was not…

A: The body's ability to identify pathogens (antigens),to eliminate dangerous pathogens to prevent them…

Q: If you wanted to cure allergies by bioengineering an antibody that would bind and disable the…

A: Antibodies are soluble glycoproteins composed of 4 polypeptide chains of identical light chain and…

Q: Which of the following is NOT true of B ceIls? a. Has membrane-bound antibodies. b. Produces…

A: Answer : d . Kills infected body cells B cells are responsible for secreting Antibodies. T cells are…

Q: Which of the following best represents a second line of defense: a. Both A and C b. Fever c.…

A: Defense is the first line of attack against germs and antigens. There are three lines of defense:…

Q: Even though the oral polio vaccine is not used in the developed world, it is still widely used in…

A: Poliomyelitis is an infectious disease. It is caused by the poliovirus. It is the most enduring…

Q: In polymicrobial pulmonary infection, Stenotrophomonas maltophilia secretes a compound which…

A: The question is asking us to identify the biological process that is being described. In this…

Q: From: "Towards a universal flu vaccine" Researchers are trying to create a universal influenza…

A: Influenza, commonly known as "the flu", is an infectious disease caused by influenza viruses.

Q: Your neighbor gets treated with an antibody therapy for an infection (donor antibodies were given to…

A: A very strong network of cells, organs, and tissues that guard the body against various infections…

Q: Sponges display nonspecific immunity. In an experiment, the cells of two different sponges were…

A: Immunology is the branch of science that deals with the study of the immune system, its mechanisms,…

Q: A researcher discovers that a breed of rabbits have antibodies that can neutralize HIV. The…

A: Antigens are the molecular structure, present on the surface on pathogen. Generally, it is protein…

Q: Which of the following does not occur during a secondary immuneresponse?a. Antibodies are made…

A: Secondary Immune Response: Secondary Immune Response is one of the important features in which the…

Q: Which of the following statements is TRUE? a. An individual with a BO genotype is homozygous for B…

A: Of the given options, option B is the most appropriate answer for the given question.

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: You are an immunocompromised person with a history of serious lung infections, putting you at high…

A: Coronavirus disease was a pandemic disease that took place during 2020-2022. This is a contagious…

Q: A study by the CDC reported that less than 80% of children in someareas of the United States are…

A: Vaccines are biological preparations that help to provide an active acquired immunity by inducing an…

Q: Which of the following is NOT a mechanism used by the immune system to fight multicellular…

A: Immunology is a section of biology that studies molecules, cells, and organs that build up the…

Q: Name at least two major ways in which natural and artificial immunitiesare different.

A: Immunity refers to every mechanism of the body that helps to protect the body from harmful foreign…

Q: female nurses in their forties who don't drink with

A: Vaccine:  It is substance which triggers the bodies immune system against a particular disease.

Q: I am studying a species of octopus and find that some individuals have more resistance (immunity) to…

A: WBC or white blood cells in our body are responsible for protecting our body from foreign pathogens.…

Q: Give explanation  select all the statements that pertain to the principal of herd immunity   1)…

A: It is asking about the principle of herd immunity, a key concept in epidemiology that alludes to the…

Q: What is an allergy?

A: Allergy can be medical condition in which immune system reacts abnormally to a foreign substance…

Q: (M/C) Which statement is the best with respect to the role of the different arms of the immune…

A: Analysis of the GraphWild Type (WT): This line represents the normal mice with a fully functional…

Q: Each year the Centers for Disease Control and Prevention publish a schedule of recommended…

A: Healthcare professionals should respect the autonomy of patients and their families who refuse…

Health Epidemiology

Health is an essential factor for all human beings. For all humans, health is a critical factor. An individual's ability to meet life's challenges and retain his or her capacity for optimal functioning is reflected in his or her condition of health. This needs the physical, mental, and biological parts of one's constitution to maintain a degree of functioning that has a favorable influence and support for one another.