Which of the following sentences is NOT correct: a)CMV causes heterophil-negative mononucleosis       b)Poliovirus can cause paralytic disease       c)Astrovirus causes gastroenteritis only in adults       d)EBV can cause nasopharyngeal carcinoma       e)Mumps virus can cause meningiti

Q: Is polio a retrovirus?

A: Retroviruses are RNA viruses that invade a host cell and insert a copy of its genome into the host…

Q: Why is infection by herpesvirus permanent?

A: Introduction  Herpesviridae is a large group of DNA virus which has around 135 types found in…

Q: What is the source of the virus that causes hantavirus pulmonary syndrome?

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

Q: In 1971, Alfred Knudson noticed that children like Kay, who have retinoblastoma in both eyes…

A: Carl O. Nordling first suggested Knudson's two hit theory in 1953. It is a hypothetical idea that…

Q: Why doesn't a long lasting vaccine against common cold exist yet?

A: Common cold is most common viral infection that affect the upper respiratory tract of humans.

Q: Which one of the following is a potent neurotoxin? β-mercaptoethanol Sodium Dodecyl Sulfate Non…

A: Potent means strong and Neurotoxin means a chemical substances that are toxic or poisonous to…

Q: What is the figure presents? What is the relation of this figure to human disease? What are the…

A: Atherosclerosis is a disease of the cardiovascular system. The condition may arise due to smoking,…

Q: Why did the 1918 influenza affect mostly the young and healthy?

A: VIRUS:- Influenza A virus subtype H1N1, the outbreak which it has caused are the 2009 swine flu…

Q: What is the Spanish Flu Pandemic?

A: It was one of the most deadliest pandemic of history that occurred in 1918. It caused due to an…

Q: Why are staphylococcal infections becoming increasingly difficult to treat?

A: Staphylococci are Gram-positive spherical bacteria that occur in the form of grape-like clusters.…

Q: Define 43-kDa connexin

A: Connexins are structurally associated transmembrane proteins that assemble to create gap junctions…

Q: At what specific sites within the body can the poliomyelitis virus multiply? What is the usual…

A: Virus refers to the infectious agent that replicates (or multiples) in the host cells. It comprises…

Q: What is a Black Plague?

A: Microorganisms such as bacteria and viruses can act as a pathogenic organism and can affect the…

Q: Why is handwashing an important means to control the spread of norovirus?

A: Introduction  Viral infections are very harmful for mankind. In the post century where we faced the…

Q: Considering that CMV infects 50% of the adult population in the United States and 100% of the…

A: Viruses are microscopic agents that can replicate only inside the host cells. They can infect all…

Q: Which of the following diseases cannot be treated using antibiotics? a-Strep throat b-Tetanus…

A: Pathogenicity represents a specialization in a certain microorganism to replicate and damage host…

Q: what is MRSA?

A: Methicillin-resistant Staphylococcus aureus (MRSA) was first observed in the years of 1960.

Q: Explain how the body (including cells, organs, organ systems) is affected by the bacteria Neisseria…

A: The gram-negative bacteria which cause the disease meningitis is called Neisseria meningitides. The…

Q: Why does the medical microbiological community propose that physicians be more cautious in their…

A: Antibiotics are the substances used by human organism that inhibit the activity of other…

Q: What is Herpes Zoster and what disease does it cause?

A: The viruses that belong to the family of herpesviridae are referred to as herpesviruses. They…

Q: Which of the following statements reflects the pathogenesis of influenza virus? A-The virus…

A: Influenza virus attacks on the respiratory system of human beings. It belongs to the family…

Q: Why is brucellosis a threat to big-game hunters?

A: BASIC INFORMATION  DISEASE It is basically the illness of the body. This affects our bodily…

Q: What is the generic name of Prolixin ?

A: A drug is defined as a substance or a medicine capable of altering the physiological function of the…

Q: Why is it only necessary to include the exotoxin (in toxoid form) in vaccines for tetanus and…

A: Exotoxin are the toxins produced by bacteria without cell lysis these toxin causes disease in the…

Q: Normal microbiota provide protection from infection in each of the following ways EXCEPT:   Question…

A: Host-microbial interaction is the type of interaction that is found between the host cell and the…

Q: What do Creutzfeldt-Jakob and Mad Cow Disease have in common?

A: Neurodegenerative disease and or a disorder can be defined as a type of disorder in which the…

Q: What are the genetic and molecular features that differ between pathogens and members of the normal…

A: The phrase "ordinary microbiota" alludes to the microorganisms that live on a superficial level and…

Q: What are the diagnosis, signs, and symptoms of the Black Plague?

A: Plague is caused by a gram negative bacterial pathogen Yersinia pestis. Plague has two phases.…

Q: What causes of influenza?

A: Influenza is a very serious illness for anyone at high risk.  Symptoms of influenza can include:…

Q: Where did the name granulomatous amoebic encephalitis originate from

A: The name granulomatous amoebic encephalitis originate from- a disease of Central nervous system…

Q: What is a nosocomial infection?

A: An infection is defined as the invasion of any disease-causing agent into the body of an organism.…

Q: Which type of toxin, when secreted, may lead to the disruption of the cells within the…

A: Enterotoxin

Q: What is the major difference between common cold and flu? Why has no vaccine been developed for the…

A: Respiratory disorder causes several structural and functional alterations such as detachment of…

Q: What is the mechanism of pathogenicity for the Norovirus? Explain

A: Human noroviruses in the family Caliciviridae are a major cause of epidemic gastroenteritis.…

Q: What makes corona virus, dengue virus, human immunovirus, Mycobacterium tuberculosis and Salmonella…

A: All the above-mentioned organisms cause diseases in humans. The corona virus is responsible for the…

Q: What is varicella virus? what effects does varicella virus produces in the body? how to treat…

A: Varicella is highly contagious. The virus spreads in the air when an infected person coughs or…

Q: What is the coronavirus? Is there cure for coronavirus? Is there any treatment for coronavirus?

A: What is the coronavirus? Is there cure for coronavirus? Is there any treatment for coronavirus?

Q: In this case, bacteria were introduced to the patient’s muscles through an injection. How else might…

A: The infection of bone and muscles are relatively rare because they are present deep inside the body.…

Q: What part of the Escherichia coli cell contains endotoxin?

A: E. coli (Escherichia coli), can be defined as the type of bacteria that resides in our intestines.…

Q: Which of the following is the most infectious?

A: Answer -  Shigella is the most infectious among all others.

Q: What is the virus transmission, the morphology and the family name of the virus that causes…

A:

Q: Epstein-Barr virus has been implicated in all of the following EXCEPT Group of answer choices:…

A: There are millions of viruses on the planet. They are the most common source of viral infections.…

Q: Given that there is currently no cure for mad cow disease, what is likely to be the most effective…

A: Mad cow disease or bovine spongiform encephalopathy (BSE) is a contagious neurodegenerative disease…

Q: Is COPD an infectious disease, metabolic in nature, or a genetic disorder?

A: COPD stands for chronic obstructive pulmonary disease. It is an inflammatory lung disease that…

Q: What are the virulence factors of Salmonella typhi? Explain each factors in simple terms.

A: Salmonella typhi is a rod shaped, flagellated Gram Negative bacteria. Its virulece factors are the…

Q: Why is H5N1 avian influenza considered a majorthreat to public health?

A: H5N1 is a type of influenza virus. They belong to the family Orthomyxoviridae, and they are…

Q: What is the virus transmission of Cytomegalovirus?

A: Cytomegalovirus (CMV) is a virus that belongs to Herpesviridae family. It is found worldwide and…