Why have attempts to find a vaccine against HIV been unsuccessful?

Q: True or False: There are antibiotics that target viruses?

A: Major natural source of antibiotics is fungi, bacteria and other prokaryotes. There are hundreds of…

Q: How HIV could spread in the human body ?

A: Infection refers to the harm caused by various microorganisms or pathogens entering the body. The…

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 are retroviruses?

A: Viruses are simpler in structure and composition. They are made up of nucleic acids and proteins.…

Q: Why is it so hard to find a cure for HIV?

A: HIV or the human immunodeficiency virus is a contagious pathogen that attacks the immune system of a…

Q: Why is HIV called a retrovirus?

A: HIV (Human ImmunoDeficiency Virus) causes AIDS (Acquired Immunodeficiency Syndrome) in humans. It is…

Q: Why do antibiotics kill bacteria but leave viruses unharmed?

A: Antibiotics are medicines that help stop infections caused by bacteria. Azithromycin, metronidazole,…

Q: What are some ways that viruses have evaded your immune system?

A: Viruses are infectious agents that are small in size. They cannot multiply on their own. They need a…

Q: How are scientists fighting HIV and AIDS?

A: Acquired immunodeficiency syndrome (AIDS) is a chronic, potentially life-threatening condition…

Q: Why would it be harder to transmit some viruses out of doors?

A: Viruses are microscopic parasites, generally much smaller than bacteria. They lack the capacity to…

Q: Why do viruses become less virulent?

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

Q: What do you mean by provirus?

A: Viruses are infectious agents that are non-cellular and composed of genetic material covered by a…

Q: How does HIV confound the human immune system?

A: The main purpose of HIV is to make copies of itself repeatedly as many times as the virus could, but…

Q: Do viruses respond to stimuli? Is there evidence?

A: Viruses are nonliving particles that cause a variety of diseases such as measles and chickenpox. The…

Q: What is a major mechanism by which HIV damages the immune system in AIDS?

A: Viruses can spread through various agents such as air, water, direct contact, and by other means.…

Q: What are the evolutionary origins of HIV-1 and HIV-2?

A: HIV (Human immunodeficiency virus) belongs to a family of retroviruses, all of which have RNA as…

Q: what is a retro virus and how does this relate to HIV?

A: A retrovirus is a type of RNA virus that inserts a copy of its genome into the DNA of a host cell…

Q: How does vaccine revolutionize science at present time?

A: Answer: Introduction:  A vaccine can prevent the infection by having less than three doses of the…

Q: What are the advantages and disadvantages of an inactivated virus vaccine?

A: Vaccines are used to prevent infectious diseases. There are vaccines available for various diseases…

Q: Explain the human immunodeficiency virus (HIV)?

A: The human immunodeficiency(HIV) virus is a virus that attacks cells that facilitate the body fight…

Q: Why haven’t scientists been able to develop vaccines against HIVand the common cold?

A: HIV (human immunodeficiency virus) is an RNA virus that causes AIDS in humans. It attacks the immune…

Q: how varicella vaccine works in our body to prevent chicken pox?

A: CHICKEN POX also known as varicella is an infection that is obtained from a contagious virus named…

Q: Why are mRNA vaccines more effective than conventional vaccines?

A: Introduction :- A vaccine is a preparation that stimulates the body's immunological response to…

Q: What are CD4 lymphocytes? What is the relationship between these cells and HIV? How does HIV…

A: CD4 cells are T helper lymphocytes with receptor proteins on their plasma membrane. CD4 is the…

Q: How does the immune system remember the previous viruses that it had fought?

A: It is made up of special organs,  cells and chemicals that fight infection.  The main parts of…

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: How does HIV confound the immune system?

A: Human immunodeficiency virus (HIV) is a single stranded virus that infect the target cell and gets…

Q: What is the difference between HIV and AIDS? Include some symptoms associated with each.

A: Infection with HIV destroys the CD4 cells that helps to fight against infections. AIDS is the last…

Q: How vaccines allowed technology to be developed?

A: Vaccine delivery system is one of the major technologically driven area which make successful…

Q: is HIV in humans different than HIV in rabbits? or the same.

A: Human Immunodeficiency Virus or HIV is a retrovirus which causes Acquired Immuno Deficiency Syndrome…

Q: Why is HIV so deadly and so hard to stop?

A: Human Immuno (HIV) viruses are considered retroviruses, which has the single (Ss) stranded RNA in…

Q: What are CD4 lymphocytes?What is the relationshipbetween these cells and HIV?How does HIV replicate?

A: INTRODUCTION:- CD4 cells are white blood cells called T lymphocytes or T cells. These cells plays…

Q: How does HIV defeat the human immune system?

A: HIV stands for Human Immuino deficiency Virus and upon infecting human causes AIDS (Acquired Immuino…

Q: Is virus a living thing?

A:

Q: Why doesn't a vaccine cause a person to get ill?

A: Infectious diseases are diseases caused by a bacterium, virus, fungus or other pathogens.…

Q: How is HIV different than the flu virus?  Why can we make vaccines for some viruses but not all?

A: The above question explanation is given below.

Q: What is the percentage of humans that are resistant to HIV? What makes them resistant?

A: HIV - is also known as Human immunodeficiency virus infection .

Q: Why should we be against making  vaccines mandatory?

A: Vaccine is a dose in which dead or attenuated form of pathogen is used so that it provides the…

Q: Why do vaccines take so long to make?

A: Vaccine is a product that animates an individual's immune system to create invulnerability to a…

Q: How do vaccines work?Why do we effective at preventing disease?

A: An immune response to certain infections induced by the use of suitable vaccines is known as…

Q: What is the major challenge when it comes to long-term treatment of HIV and how is this overcome?

A: HIV stands for human immunodeficiency disorder and it is a medical condition in which the ability of…

Q: What part of the HIV lifecycle is disrupted by the drugs indinavir and amprenavir?

A: The use of drugs for treating HIV cannot cure it but they act by preventing the virus from making…

Q: What type of vaccine is the Johnson & Johnson vaccine? a self-replicating RNA vaccine a protein…

A: SARS CoV-2 is the causative viral particle of the covid 19 disease. This disease is primarily…

Q: What factors inherent in the variola virus and the disease smallpox made it possible to eradicate…

A: Introduction: Smallpox was the first infectious disease to be eradicated from the world. Its…

Q: Is vaccination for everyone?

A: