QUESTION 27 Which of the following could be a biological vector for transmission of a viral pathogen to humans? O a. deer tick Ob. rabbits Oc water O d. soil QUESTION 28 Many healthcare workers currently caring for COVID-19 patients are concermed about contaminatirng their home with the virus which could be on their clothes and sho Oa asymptomatic (chronic) carrier Ob. active carier. Oc reservior O d. passive carrier Oe. mechanical vector QUESTION 29 A blanket from a child with chickenpox is likely to be contaminated with the virus that causes chickenpox, Varicella-zoster virus. What is the blanket called? O vector O host O pathogen O fomite

Q: What does the antigenic shift cause? O An increase in Polio outbreaks every ~10 years. O An increase…

A: Antigenic shift occurs when a human flu virus crosses with a flu virus of animals. The viruses…

Q: Dane particles are associate with which pathogen discussed in lecture? O Influenza O Rabies O…

A: Question 3, Correct answer to this question will be, Hepatitis B  Reason to this is that the…

Q: Which of the following is not an exotoxin? O LPS O A-B toxin O Leukocidins O Superantigens

A: Hello you have asked multiple questions. We can answer only the first one for rest please repost…

Q: Traditional vaccines may not work for COVID-19 because the antibodies produced in response to the…

A: The basic principle of vaccine manufacturing and its ability to produce an immune response is the…

Q: Clinical studies showed that zinc significantly shortens the duration of symptoms during rhinovirus.…

A: The common cold is caused by rhinovirus infections (rhinovirus implies "nose"). They can also induce…

Q: What bacterium causes the most cases of adult meningitis? O N. meningitidis L. monocytogenes O S.…

A: Meningitis refers to the meningeal inflammation caused either by bacteria and viruses. Meninges…

Q: When comparing replication of "naked" viruses" and enveloped viruses, which process occurs in…

A: Any infectious agent or microorganism (Virus, bacterium, protozoa, ETC) that can cause disease is a…

Q: QUESTION 24 A patient in the hospital with a urinary catheter develops a bladder infection This is…

A: 24. Healthcare associated infections include catheter associated infection, central line associated…

Q: Which of the following viruses is the most frightening as a cause of a global pandemic because it is…

A: Introduction Pandemic - when a disease is spreaded over a large geographical area and affects the…

Q: Typically associated with Influenza O the antigenic drift is a major antigenic change due to gene…

A: Influenza is a virus which cause infection in humans. It is commonly known as "the flu". The…

Q: During viral gene therapy (using the adenovirus system), does the new DNA that you introduce into…

A: To deliver a gene a vector is genetically engineered.Usually a gene that is inserted into a cell…

Q: Which BEST describes why it is difficult to develop antiviral drugs?. Oa Antivical drugs are very…

A: ANSWER;- c) Viruses are hard to target because they use the host cell's enzyme and ribosomes to…

Q: Match the column-I with column-II and find the correct option :- Colmn-I Column-II A. Typical…

A: Different living organisms are of different sizes. Some are visible with naked eyes while some do…

Q: Question 10 What is the cause of Variant Creutzfeldt-Jakob disease? O Avirus causes VCJD. O A…

A: We know that Creutzfeldt Jacob is a disease rare and fatal disease and that affects the brain. It…

Q: The main reason(s) for the inability to fully eradicate Malaria until today is.. Select one: O a.…

A: A disease caused by a plasmodium parasite, transmitted by the bite of infected mosquitoes. The…

Q: Question 10 What is the cause of Variant Creutzfeldt-Jakob disease? O A virus causes VCJD. O A…

A: Creutzfeldt Jacob disease is a rare and fatal disease which affects the brain.It results in damage…

Q: the Salk vaccine require a booster?

A: The poliomyelitis virus causes Polio. The virus infects the nerve cells in the spinal cord, thereby…

Q: Why have the majority of viruses evolved to bind to a host surface receptor that serves an essential…

A: Viruses can be referred to as a collection of genetic codes, either DNA or RNA that are encased in a…

Q: A.We have seen from history the role science has played in the prevention and control of diseases.…

A: Epidemiology : It is the study of diseases in a population, studying the reason , how it spread, why…

Q: Selecting the Exception Four of the five answers listed below are usually considered pathogenic.…

A: There are many microorganisms around us. Some of them are beneficial and some of them are harmful…

Q: Why is hepatitis B referred to as serum hepatitis? O The virus infects red blood cells O The viral…

A: Option (D) is correct answer---------Ther are a lot of viral particles in the bloodstream compared…

Q: Which of the following disease are not preventable with traditional vaccines? O a. TB O b. Polio O…

A: A vaccine is the antigen or mixture of antigen that used to induce artificial active immunity and…

Q: Influenza is what type of virus?

A: Influenza is unremarkably referred to as flu(a communicable disease)  caused by influenza viruses. 4…

Q: A substance released from the cell wall of gram negative bacteria that could cause serious adverse…

A: Certain chemicals can be produced by the cell wall of gram-negative bacteria. It is something cause…

Q: question 1: what are 2 good potential targets in SARS-CoV2 virus to stop it from functioning ?…

A: SARS COV 2 virus recently created havoc  by creating a pandemic all over the world. It is a RNA…

Q: /hich of the following statements must be backed up with an in-text citation of a published sod A. I…

A: The universally excepted general properties of viruses include: They contain RNA or DNA as their…

Q: What is a reasonable treatment for an E. coli infection

A: Interferons are used against viruses, so they are widely used for the treatment of chronic viral…

Q: Question 62 Which prion disease is incorrectly matched to the host? O Scrapie=sheep, goats O Kuru=…

A: Prion is a term used to describe proteinaceous infectious particles. Prions are misfolded proteins…

Q: The main reason(s) for the inability to fully eradicate Malaria until today is. Select one: O a.…

A: The term eradication in the medical and health field refers to the reduction in the spread and…

Q: Hydrophobia is a symptom of which disease? O Poliomyelitis O Rabies O Tuberculosis O Malaria

A: A disease is an abnormal condition that affects the normal structure and functional state of an…

Q: Question 31 Vhich of the following statements most accurately describes an illness that originate- a…

A: In terms of epidemiology, a disease reservoir is the population of organisms or a specific…

Q: What pathogen can cause a patient to suffer from jaundice and a darkening of their urine? B.…

A: Infectious diseases are transferred from one diseased person to a normal person depending on the…

Q: Which microbe produces AB toxin? O A. Human immunodeficiency virus. O B. Mycobacterium tuberculosis.…

A: AB toxin is a toxin secreted by many pathogenic bacteria. It has two components namely ‘A’ and ‘B’.…

Q: VCJD is caused by which pathogen

A: vCJD stands for variant Creutzfeldt-Jakob disease. vCJD is a neurodegenerative disorder associated…

Q: QUESTION 4  Explain the replication cycle of viruses as well as the different virus structures and…

A: Viruses are microscopic infectious agents that are not considered living organisms because they lack…

Q: What is the role of gp 120 for HIV?

A: HIV stands for human immunodeficiency virus. HIV is a retrovirus that causes AIDS. HIV attacks…

Q: QUESTION 11 Which of the following strains of Ebola was found to be non-pathogenic to humans? O a.…

A: Introduction  A virus is an infectious submicroscopic creature that only reproduces inside of live…

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.