Why are pandemics a relatively recent phenomenon in human history? International travel became possible. O Humans began to live side-by-side with animals. O Humans began living in permanent settlements. O All of the above.

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: Studying morphological and molecular characteristics of organisms allows us to understand the…

A: Analyzing the molecules and DNA present in all living things provides some of the most compelling…

Q: QUESTION 4 Which of the following statements about Chagas' Disease is NOT true? Acute disease is…

A: Chagas Disease It is a disease caused by the infection with the protozoan parasite Trypanosoma…

Q: Which of the following statements about vaccines is NOT correct? Smallpox vaccinations are no longer…

A: The term vaccine is associated with a substance that is given to a person to boost their immune…

Q: What is the goal of the PREDICT Project?  A. To kill pathogens before they can spread and become…

A: The PREDICT project is a global initiative that aims to monitor and discover pathogens that could…

Q: A "snowball-effect" type of epidemic where infected people spread the infection to other people over…

A: An epidemic is an infectious disease outbreak that affects a significant number of individuals in a…

Q: Scientists hypothesize that disrupting our ________ communities may increase our susceptibility to…

A: To prevent the spread of human disease, it is necessary to control the growth and development of…

Q: Now, let's investigate growth in another population: bedbugs! Let's say a college in Kentucky…

A: The density of a population of any living thing is a measure of the number of individuals living in…

Q: When antibiotics and vaccination techniques were first discovered, the statement was made that all…

A: Vaccine can be defined as a non virulent preparation from the antigenic material ,which is able to…

Q: factors influenced the survival of humans during the bubonic plague

A: Some microorganisms behave as pathogens and cause disease which can be mild to severe in terms of…

Q: In what ways are pandemics and endemics similar and in what ways/way are theydifferent?

A: Endemic-A particular disease confined to a particular geographic area or community or a group of…

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: Bacteria that were once treatable through the application of antibiotics are now resistant to them,…

A: Bacteria: Bacteria are small single-celled organisms. Bacteria are found almost everywhere on Earth.…

Q: How can blodiversity be preserved? Select all that apply. O by creating a national park O by passing…

A: Biodiversity refers to all the individuals living in the ecosystem and their interdependence. There…

Q: Do you think a variation in the human genome that confers resistance to coronaviruses (SARS-COV-2)…

A: Genetic resistance refers to an inherited trait in an organism's genome that provides protection or…

Q: 62-year-old male, peasant, former smoker, diabetic on insulin treatment and two-year hypertension,…

A: A 62-year-old male is a smoker with certain symptoms like barrel chest and excess cough. Barrel…

Q: Parasitism is one of the most widespread life strategies to evolve. Which of the following supports…

A: A parasite is an organism that lives on or in a host organism and gets its food from or at the…

Q: Do you expect that an infectious pathogen suchas the bacterium Staphylococcus aureus or theHIV virus…

A: Microbiology is the study of microorganisms that are invisible to the naked eye. The microorganisms…

Q: Which statement is true regarding epidemic diseases? O At the end of each epidemic, the disease…

A: Disease can be defined as structural or functional deviations from the normal.

Q: A health clinic reports an increase in the number of infl uenza casesconfi ned to a local area.…

A: Epidemic – It refers to the occurrence of a disease/infection/illness where the number of affected…

Q: .

A: Zika , Dengue and Chukunguya virus diseases are mosquito-borne diseases caused by dengue virus (…

Q: How has past attempts and could future attempts to make a more pleasant and "sterile" world for…

A: *Genetic modification takes place at therapeutic where the illness or deficiency in a person is…

Q: Vaccine mandates are often justified as necessary to protect public health (and do the most good for…

A: In order to understand what is ethically wrong or right, ethics explores the intellectual…

Q: What is the infectivity of the new influenza strain? Infectivity: number of people infected divided…

A: Hi, Thanks For Your Question.  Answer : Correct Option Is A (63%)

Q: Question 3 Which pathogen can remain in the sensory nerves and reactivate later in one's life? O…

A: Hello. Since your question has multiple parts, we will solve the first question for you. If you want…

Q: a) higher densities of fish show higher sea lice numbers, density-independent growth b) higher…

A: As human population if growing, there is high demand for fish, as a result there is a high demand in…

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: Epidemics are considered short-term outbreaks of diseases O True O False

A: Introduction: The term epidemic is derived from the Greek terms epi, which means "above or above,"…

Q: Which of the following is NOT a site colonized by normal microbiota in humans? Skin Brain and…

A: Skin is a site where many organisms stay physiologically such as Corynebacterium, Propionibacterium…

Q: In the SIR model, individuals can enter but not leave the infected class. O individuals can leave…

A: * SIR ( susceptible, infectious, recovery/removed) model is classical model of disease transmission…

Q: The antelopes from Africa were delivered to the Kiev's zoo. The protozoans Trypanosoma gambiense…

A: Trypanosoma gambiense causes an insect borne disease 'Trypanosomiasis' in both humans and animals.…

Q: erd immunity... E the symptoms it produces are mi the symptoms it produces are sho read because…

A: Herd immunity is also known as population immunity and it is indirect immunity.  It reaches the…

Q: Tickborn diseases such as Lyme disease and Rocky Mountain spotted fever are transmitted by O a…

A: Ticks pathogens can be passed to humans by the infected ticks bite. It could be carrying various…

Q: disease has only recently been detected in humans, or has recently expanded its range. A(n) O a.…

A: Disease is an abnormal unhealthy condition produced in a plant due to defective nutrition, heredity,…

Q: seases to information about them: COVID 1. Observed in fossils of dinosaurs and early mammals Ebola…

A: 1)COVID- 4.Zoonotic transmission from bats 2)Ebola-3)Shifted into humans around the 1940s 3)malaria_…

Q: A new viral disease shows up in human populations, and it appears that the survival rates of those…

A: Virals diseases are the common pathogens which cause illness to human body. They are easily spread…

Q: It’s late summer and a new influenza virus strain has appeared in chickens across the country. It’s…

A: I would analyze the genetic sequence of the new strain and compare it to the key mutations…

Q: The bacteria that cause plague, Yersinia pestis, maintain their existence in a cycle involving…

A: The cycle of plague transmission involves a natural cycle between rodents and fleas, where rodents…

Q: As a historical thinker wondering about cause and consequence, ask yourself questions such as these:…

A: The world war 1 which  lasting from August 1914 to November 1918, had a huge effect on Canada. In…

Q: Which combination of factors would most likely result in the spread of an infection through the…

A: The question can be explained based on the following fact. Beta ratio, i.e. infection rate should be…

Q: 1. How can climate change contribute to the incidence of emerging diseases? 2. What's one emerging…

A: Climate change refers to the long-term changes in temperatures and weather patterns of the earth.…