What fraction of the population needs to be immune to SARS-CoV-2 to achieve 'herd immunity. > 30% > 10% > 50% > 70% > 20%

Q: Which of the following would develop as a result of exposure to antigens in a COVID-19 vaccine? O…

A: Immunity is defined as body's ability to recognise the foreign pathogens or infective germs and…

Q: Which of these would be a first line of defense against microbial infection?

A: Ans : Our immune system has three lines of defense to fight against microbial infection. Those are :…

Q: Human bodies make more different varieties of antibodies than they do different Toll-like receptors.…

A: Humans have immune systems that defend the body from disease-causing microorganisms. The first line…

Q: A secondary exposure to a pathogen for which the body has produced antibodies results in a less…

A: Immune system is a naturally occurring system of organs and antibodies which are produced against…

Q: Immunodeficiency Type here... Type here... Desoribe the symptoms &u treatment of this…

A: AIDS or acquired immunodeficiency syndrome is caused by the Human Immuno Deficiency Virus or HIV.…

Q: In cortical region of the thymus, T cells are the following EXCEPT Select one: Each cell must bind…

A: Answer: Introduction: Primary lymphoid organs – Primary lymphoid organs are including thymus, Bursa…

Q: On which cells do we find self and non s

A: Every organism has unique molecules on the surface of the cells . The immune system has the capacity…

Q: True or false when vaccination levels with a population drop below a threshold herd immunity breaks…

A: Herd immunity is the term when the spread of an infection within a population is controlled by…

Q: The phenomenon of herd immunity makes disease eradication difficult because it ensures that diseases…

A: Introduction Herd immunity is defined as a reduction in the risk of infection with a specific…

Q: Which is not true of measles vaccine? lt can be given at the same time as DPT It is alright to give…

A: Vaccines:  Vaccines help to develop cell mediated immunity and humoral immunity. Immunization is the…

Q: The T cell receptor is significantly larger than the receptors found on B cells. True or False True…

A: To find Which is larger- T cell receptor or B cell Receptor

Q: Which of the following vaccines is safe to administer to a patient who has a T-cell deficiency?…

A: T-cell deficiency is a deficiency of T-cells, due to reduced T-cell function, which induces…

Q: Which option is not an example of active immunization? Group of answer choices Injection of a mRNA…

A: Active Immunity  Antibodies develop in a person's own immune system after the body is exposed to an…

Q: How can we treat autoimmune in the body or minimizing it ?

A: we can treat auto-immunity by  Taking immuno-suppressant drugs. Pain-killer medicines. Physical…

Q: Eosinophils are proinflammatory mediators : they function in allergy, parasite eradication, and…

A: Eosinophil is a type of WBC and they play a significant role in immune system to fight off…

Q: What labels goes to active immunity and passive immunity

A: Immune response is the physiologial process which involves our body immune cells to identify and…

Q: Apply the concept of herd immunity to public health in your community

A: When a majority of the people in the community are immune to a contagious disease, it offers…

Q: thymus positive selection negative selection medulla bone marrow cortex Drag corre In the thym…

A: T-cell development is a complex process that occurs primarily in the thymus and involves both…

Q: In our circulatory system, one of the blood protection function is preventing infection. Explain…

A: Circulatory system in human is system of organs which have function of pumping blood to all other…

Q: Discuss the concept and importance of Herd Immunity.

A: Herd community is an important phenomenon that occurs when a large portion of the community or the…

Q: Breast feeding is associated with what type of immunity? Active immunity Innate immunity Passive…

A: Breastfeeding is the process wherein the mother feeds the baby the milk produced by her mammary…

Q: The wrist would be refer to as.... while the ankle would be referred to as..?

A: Bones are the living tissue that forms the hardest structures of the animal body. It possesses the…

Q: To boost our natural immune system we should participate in moderate exercise.       True   False

A: Immune system is a kind of organ system which provides the immunity against the foreign bodies.

Q: When a patient goes from testing negative for a specific antibody to testing positive a month later…

A: An antibody or serology test is a blood test that looks for signs of a previous infection. It…

Q: The percentage of CD8+ T cell to CD4+ T cells in the white matter of the human brain is - 2:1 5:1…

A: CD8+ , CD4+ is the types of T cell phenotype found in human brain. Especially in white matter of the…

Q: A vaccine is intended to stimulate the production of which of the following O Red blood cells O…

A: White blood cells (WBC) or lymphocytes are the component of blood that provides immunity to the body…

Q: OLIVE 00:52:48 assify the following characteristics to distinguish between active and passive…

A: In humans, immunity is divided into two types; active and passive. There are different processes…

Q: The type of immunity that required in response to the entry of a live pathogen into the body? Jonel…

A: The immune system is an important system of the body that protect us from a range of pathogen…

Q: Listen What could be done to increase herd immunity in our population? Is this the only solution to…

A: Introduction  Herd immunity, also known as population immunity, refers to the resistance of a…

Q: What is the immune response to SARS, including all 3 lines of defence.

A: The SARS-associated coronavirus causes a viral respiratory disease known as severe acute respiratory…

Q: There is more diversity of major types of leukocytes associated with what type of immunity? innate…

A: Leukocytes, often known as white blood cells, are essential components of the immune system. They…

Q: CLOSE HOUSES AND MAHALLA COMMUNITY is notorious for outbreaks of Flu and other infectious…

A: Influenza is also called "flu" which is an infectious disease caused by the influenza virus.Symptoms…

Q: The RO for SARS-Cov-2 (which causes Covid-19) is estimated to be as high as 3.6. If this is correct,…

A: SARC-COv-2 is a member of coronavirus. Coronavirus is a positive single-stranded RNA virus affecting…

Q: Which influenza vaccination could provide a stronger immune response ima patients that is 65 years…

A: The influenza vaccine often called the flu shots protects against these viruses and can be given…

Q: Which of the following are ways a pathogen can disrupt systemic controls? autoimmune diseases I…

A: Cytokines are a group of low-molecular- weight regulatory proteins secreted by WBC and other cells…

Q: QUESTION 1 What treatment is appropriate for someone who is suffering from watery, itchy eyes and a…

A: The immune system is responsible for protecting our body from any foreign particles. The foreign…

Q: On immunological terminologies: auto/self-transplantation transplantation donor use of organs from…

A: Immunology is the branch of biomedical science that studies the structure and function of the immune…

Q: Overexpression or underexpression of cytokines or cytokine receptors have been implicated in several…

A: Cytokines are a type of protein molecule produced by cells in the body, including immune cells, that…

Q: Based on the data trom Department of Health on March, 2022, 59.02% of the population in the…

A: 'Herd immunity, additionally known as 'populace immunity', is the indirect protection from an…

Q: Herd immunity limits the spread of disease when O The disease is non-communicable O Most individuals…

A: Herd immunity can be defined as the state where most people in a population is immune to an…

Q: You are presented with the following clinical scenario: "A 50 year old patient presents with…

A: Various leukocyte populations can be distinguished using certain markers in flow cytometry studies…

Q: Delayed type Hypersensitivity Reaction in which the reaction is slower in onset and develops within…

A:

Q: 2 pieces of evidence/information that are against making vaccines mandatory

A: Given: To provide two piece of information against making vaccines mandatory.

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.