What is the germ theory of disease? why it is essential to the treatment of infectious diseases?

Q: So what is the definitions of pathology, etiology, and pathogenesis?

A: Definitions of : pathology  etiology pathogenesis

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: What is the mechanism behind the success of vaccines to eradicate or reduce infectious diseases such…

A: Vaccination refers to the process of immunizing individuals before they get infected with a disease.…

Q: What are drug resistant pathogens? What are three different molecular mechanisms an organism might…

A: Drug resistance pathogens are the pathogens or microbes which have resistance to antibody or drug,…

Q: What does it mean to refer to a disease as a “syndrome,” as with AIDS?

A: A disease is a state of unhealthiness of the physical body, mind and social interaction. A disease…

Q: What is a vaccine?

A: Vaccines are a part of artificial active immunity. Antigens or a mixture of antigens which are used…

Q: Which, if any, of the following statements is incorrect? a) Each person makes many millions of…

A: Human Leukocyte Antigen is an abbreviation for Human Leukocyte Antigen. HLA antigens are proteins…

Q: What are vector borne diseases?

A: A disease is a sickness or illness characterized by specific symptoms and signs. A disease that…

Q: What are our bodies' natural barriers to infection?

A: The immune system plays a crucial role in defending your body against pathogens, toxic chemicals,…

Q: What is the Coronavirus? Is it a living organism? How does it reproduce? The current vaccines that…

A: Note : Hi. Since you have asked many questions. The three first questions will be answered and if…

Q: Comparing the number of infections, people catch cold so much more often than flu .Why haven’t we…

A: Vaccination is the artificial way of injecting the pathogen either dead or alive so as to prevent…

Q: What is the function of the major product of the unedited Ebola virus glycoprotein gene during…

A: The Ebola virus first emerged in 1976. Since then it has caused hemorrhagic fever in many countries.…

Q: How does HIV, which at first glance does not appear to be a highly formidable foe, persist in the…

A: HIV, stands for human immunodeficiency virus, is a virus that destructs the immune system that…

Q: What are the various routes by which transmission of human immunodeficiency virus takes place?

A: AIDS (Acquired Immuno Deficiency Syndrome) is caused by the Human immunodeficiency virus (HIV). It…

Q: What is the difference between bacterial vs. viral illnesses?

A: Infection occurs when a harmful, disease-causing microorganism invades and multiplies within the…

Q: What is resistance to viral infection

A: Virus resistance is the factor that can disturb the life cycle of viruses. It is decrease in…

Q: What is the nature of infectious disease?

A: Pathogenic microorganisms, such as bacteria , viruses , parasites or fungi, cause infectious…

Q: What is resistant to viral infection?

A: Introduction : IFNs are a type of released protein that has antiviral, antiproliferative, and…

Q: Describe the ways in which each of the following pathogens can disarm their host’s immune system or…

A: There are a number of different ways of evading or subverting the immune response. These…

Q: What are the immune responses to viral infections? What is the difference between epidemic and…

A: An epidemic refers to the occurrence of an infectious disease in a population or region that is…

Q: Just last week the Energy Department now seems pretty confident that the coronavirus came from a lab…

A: According to the news,  it has been New intelligence has prompted to the Energy Department by new…

Q: Why are some pathogens more noticeable than others?

A: A pathogen is an organism that causes disease in its host, with virulence referring to the intensity…

Q: Your friend says, “I think I have the kissing disease. What is it?” Explain the disease to your…

A: Viral diseases are caused by viruses, a type of microorganisms. Viral diseases are contagious in…

Q: What is a zoonotic disease? A disease reservoir?

A: Disease transmission indicates the mode of how the diseases spread from one another.

Q: Which of the following is NOT a primary immunodeficiency? 1) SCID 2) Agammaglobulinemia 3) DiGeorge…

A: Immunodeficiency - This term refers to the defects or deficiencies in the immune system of the body.…

Q: How is viruses and protozoans cause pathogenesis and how is it different from bacteria

A: Pathogenesis is the course of an infection or disease. Pathogenesis of the virus involves the…

Q: What is the purpose of a booster vaccination?

A: A preparation that is biologically made and provides active acquired immunity against a particular…

Q: What are the various routes by which transmission of human immunodeficiency virus takes place?

A: HIV- It stands for the human immunodeficiency virus.  This virus attacks the body's immune system.…

Q: What is an RNA vaccine and how does it work?

A: The vaccine introduces antigen-encoding mRNA molecules into immune cells, which use the intended…

Q: What is the rationale behind immunization? Who developed the first vaccine and against which…

A: Immunization is a process by which the body's immune system is stimulated so that immune cells can…

Q: you need a flu shot every year/season because (HA-haemoagglutinin; NA-neuroaminidase) A) the virus…

A: The viruses are constantly changing. So to keep yourself protected it is utmost important to get…

Q: What is an inclusion body? Why is it important in the diagnosis of viral infections? For example,…

A: When a virus or any other disease-causing agent enters into a host cell such as a bacterial cell or…