Which of these statements concerning cryptococcal meningoencephalitis is true?a) It is caused by a yeast with a large capsule.b) It is a disease of trees transmissible to humans.c) It typically attacks the meninges but spares the brain.d) Person-to-person transmission commonly occurs.e) It is seen only in persons who are immunocompromised.

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 primary virulence factor for Streptococcuspneumoniae?

A: Streptococcus pneumoniae also is known as pneumococcus is a gram-positive coccus. They are…

Q: Can a person with the PKU disease also have AKU?

A: Gene is the unit of heredity that is transferred from a parent to offsprings. Mutation in a single…

Q: hat are the mitigating measures to prevent the escalation of the black Sigatoka disease? Explain.

A: A disease is a condition in which an organism's physiological functions are dysfunctional (either a…

Q: Why are most newborn babies unlikely to contractpneumococcal, meningococcal, or Haemophilus…

A: The immune system of the body protects the individual from the attack of external pathogens. The…

Q: What are the steps in a lysogenic infection?

A: The lysogenic cycle is the process through which a virus replicated its DNA by using a host cell.…

Q: Why does Mycobacterium tuberculosis direct macrophages to engulf them?

A: Tuberculosis (TB) is an opportunistic infectious disease caused by the bacteria "Mycobacterium…

Q: Why is poliovirus spread so effectively?

A: The causative agent for polio, the poliovirus is a virus that contains single stranded RNA genome…

Q: What are the arthropod vectors and animal hosts for typhus,spotted fever rickettsiosis,…

A: A vector is any agent which carries and transmits an infectious pathogen into another living…

Q: is acute necrotizing gingivitis a primary or secondary infection

A: Acute Necrotizing Gingivitis: Acute necrotising gingivitis is also called Acute necrotising…

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: Which streptococcal disease is most prevalent? Why do you think this is the case?

A: In humans, streptococcal diseases primarily arise in the airway, bloodstream, or skin infections.…

Q: Explain why babies with agammaglobulinemia do not develop opportunistic         infections until…

A: "Until around 2 to 3 months, the infant's immune system does not develop," Dr. Sabella says. The…

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: "All of the following are features of l-cell disease except- -coarse facial features -corneal…

A: I-cell disease is an inherited disorder which occur due to defect in…

Q: How is Saccharomyces cerevisiae helpful to humans?

A: Saccharomyces cerevisiae is a type of yeast. Yeast is a eukaryotic unicellular organism that belongs…

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: What is the difference of cytotoxin and enterotoxin of Salmonella typhi?

A: A cytotoxin is defined as “a poison that damages cells”. Cytotoxins can be either chemical or…

Q: why is chickenpox significant in the field of microbiology, supporting response with real-world

A: Chickenpox is caused by the Varicella-zoster virus (VZV) which belongs to the family of herpes…

Q: What structural attributes differentiate smallpox from most otherviruses?

A: Poxviruses contain DNA as their genetic material and are characterized by distinctive skin pustules…

Q: Why are healthy individuals in hospitals not considered to be as much at risk for infections by…

A: Superbugs are the microorganisms which can be Bactria, viruses or fungi, which develop resistance…

Q: What is the causative agent of Lyme disease and how is it transmitted to humans? What preventative…

A: Lyme disease comes under the category of infectious diseases and is caused by the bacteria Borrelia…

Q: what is the virus transmission of smallpox?

A: Smallpox is an acute contagious disease caused by the variola virus. Fever and progressive skin…

Q: Name two underlying conditions that predispose a person to Streptococcus pyogenes flesh-eating…

A: Microbes are actually visible under the microscope only. Most of them are found to be severely…

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: What are the most characteristic symptoms of diphtheria and why was this disease so deadly prior to…

A: Corynebacterium diphtheria, a bacterium is the causative organism of the deadly disease diphtheria.…

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: Injectable products must be endotoxin-free.  true or false?

A: Endotoxin is a type of pyrogen and is component of the exterior cell wall of Gram negative bacteria…

Q: What are the common characteristics of herpesviruses?

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

Q: yphoid fever infects roughly 21.6 million people incidence of 3.6 per 1,000 population) and kills an…

A: Typhoid fever is caused by Salmonella type and it is also known as enteric fever, which is a…

Q: Is there vaccine againsttuberculosis?

A: Tuberculosis is a type of an infectious disease caused by a bacterium, Mycobacterium tuberculosis.…

Q: Why Leishmaniasis is called black fever?

A: kala azar [hindi: black + illness] is illness caused by the infection of a parasite called…

Q: List three symptoms of the Bubonic Plague

A: BUBONIC PLAGUE- The plague is an infectious disease caused by a bacteria known as Yersinia pestis.…

Q: Where is Rocky Mountain spotted fever commonly found? What symptoms and activities would justify…

A: Rocky mountain fever is caused by bacteria of the Rickettsia species. This can be spread by the…

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

A:

Q: What is the difference between C. diphtheriae infection andtoxemia?

A: Answer: Introduction: Diphtheria is a serious nose infection caused by strains of bacterial toxin…

Q: How long does it take to develop symptoms of influenza after being exposed?

A: Influenza is a viral disease caused by influenza viruses specifically influenza A and influenza B.…

Q: What treatment could be prescribed for individuals suffering from a norovirus infection?

A: Norovirus is a highly contagious virus which is known to cause severe vomiting and diarrhea. The…

Q: Explain the means by which cats, rodents, birds, domestic animals,and people are infected with…

A: Introduction  Toxoplasmosis is wide spread diseases caused by the single cellular eukaryotic…

Q: Why is erysipeloid an occupation-associated infection?

A: A condition when any foreign organisms invade the body of another organism and causes disease is…

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…

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.