You compared epidemiological data from two different outbreaks. You found that the outbreak caused by Virus-123 in City A spread much more rapidly than the outbreak caused by Virus-678 in City B. Briefly describe three factors that might have differed between these outbreaks.

Q: A virologist develops a drug that specifically targets step 5 of the reproductive cycle of an…

A: The viral life cycle consists of six  stages such as -   (i) Attachment  (ii) Penetration  (iii)…

Q: 1. Why do people who are immunized sometimes still get the flu? 2. What do the letter A,H, and N…

A: Viruses cause many diseases in humans and other species. There are very few antiviral drugs are…

Q: Which characteristic of COVID-19 is NOT the same as in the 1918 flu pandemic? a) Blaming people from…

A: The spanish flu pandemic broken out by the end of first world war. It started in 1918 February and…

Q: Which statement best explains why the virus that causes dog flu does not infect humans? In other…

A: A virus is an 'infectious agent' that consists of genetic material (either RNA or DNA) enclosed in a…

Q: Describe the path (through organisms and environments) that the West Nile virus took from Africa to…

A: West Nile Virus is one of the most common virus causing mosquito-borne illness in the United States.…

Q: Which of the following most directly causes the symptoms experienced by a person who is infected…

A: The virus enters your body and infects healthy cells. The invader spreads throughout your body by…

Q: Does an insect disease vector like a mosquito have to intake blood to transmit a pathogen to a host?

A: Yes, mosquito have to intake blood to transmit a pathogen to a host because when a mosquito intake…

Q: a. During which stages of an infectious disease does the host exhibit signs and symptoms? Is there a…

A: Hi! As you have posted multiple questions, I will be answering the first question for you. If you…

Q: During this COVID 19 pandemic, in addition to vaccine production, how could biotechnology provide…

A: Introduction :- Biotechnology is the development of techniques for the application of biological…

Q: Compare and contrast the adenovirus and the SARS-CoV-2 virus that is causing our current pandemic.…

A: Adenovirus also known as Influenza virus is responsible for causing "flu". The SARS-CoV-2 virus is…

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: How might have population health nurses influenced how long it took to implement state-wide…

A: Since the covid 19 has affected our country very badly,the poulation health nurses has played a…

Q: Why do scientists worry more about new strains of viruses like influenza and coronviruses as…

A: Answer: Influenza and CoV are RNA viruses which results in having higher mutation rates -- they can…

Q: Why might you expect an influenza epidemic to be more severe following an antigenic shift in the…

A: Influenza viruses are constantly changing and mutating. These changes are categorized as…

Q: Why can bird flu H5N1 infect humans?

A: Bird flu is caused by a special type of influenza virus. It rarely affects humans. But are two…

Q: What is a single word that defines a characteristic of most Herpesviruses? Answer: I

A: Herpes virus are very hard to treat due to their complex genome despite having high quality drugs…

Q: After Iraq was found not to have weapons of mass destruction after all, the concern about which of…

A: Anthrax is an infectious disease caused by Bacillus anthracis and form small blister and swelling…

Q: It is said,that disease are spreading faster due to globalisation and increased movement of…

A: The disease is caused by pathogens. Pathogens are disease-causing organisms. There are two types of…

Q: Why is conservation biology relevant to human coronavirus diseases? Because habitat destruction…

A: Conservation biology involves the conservation of natural fauna and flora from human advances or…

Q: Based on the docomentary entitled 'meet the Virus Hunters: Before the Next Pnademic Strikes" by CNA,…

A: The virus hunters is a documentary that shows the effectiveness of a disease to spread and cause a…

Q: Give an example from the book of such evidence and how it is actually valuable to scientists, even…

A: Ans) significance of ancedotal evidence which evidences are valuabled to scientists- Multiple…

Q: Suppose that a time machine allows you to go back in time (and to travel to Australia), and you have…

A: Rabbits injected with the virus of same year will have higher survival rate because at that time…

Q: In a recent influenza epidemic, physicians were utilizing a rapid diagnostic test to determine which…

A: Influenza It is a viral infection caused by influenza virus. This virus infects the respiratory…

Q: Imagine you are a virus flying around Brooklyn and you are looking to infect people sitting at the…

A: I am a free-flying virus finding my target outside of a restaurant in Brooklyn. First, let me…

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: Covid-19, an enveloped virus, cause a pandemic

A: COVID-19 is a strain of corona virus. In Covid-19 the name was taken from- Co- corona Vi- virus D-…

Q: Name three noncellular infectious agents besides viruses.

A: The invasion of the body of organisms generally known as the host by some other organism most…

Q: Use this for the next three questions: In two communities of similar size and age structure (A and…

A: Infectivity  ability of agent to cause infection Number of infectious particles required In person…

Q: A patient presents at the clinic with an acute viral infection. Assays that analyze the viral life…

A: A virus infection can be a proliferation of a harmful virus inside the body. Viruses cannot…

Q: Use this for the next three questions: In two communities of similar size and age structure (A and…

A: When we deal with pathogens we need to compare certain parameters to know which pathogen is more…

Q: The SARS-COV-2 is a virus, which does not even have reproductive organs but it spread so fast among…

A: Viruses are pathogenic agents that cause a variety of diseases. Viruses are classified into two…

Q: According to the natural history of disease model, the time before the precursors of disease and the…

A: A disease is any condition of malfunction of physical and mental wellness of a person which may be…

Q: Some pathogens, such as HIV, can be transmitted both vertically and horizontally. How do you expect…

A: Viruses are a gathering of commit, intracellular parasites that are found in essentially all living…

Q: Which of the following viral diseases has been acquired in the United States via inhalation of…

A: Viruses are obligate intracellular parasite which can be transmitted through various modes. When…

Q: In Europe, for several centuries, measles has been a childhood infection that rarely kills. When…

A: Europeans brought several deadly diseases to New World (United States, Chile, South Africa, New…

Q: What do you understand about a pandemic? What is Coronavirus or COVID 19 and its causative agent?

A: Epidemic means when the disease is spread over a particular region whereas Pandemic is an epidemic…

Q: What are the main differences between emerging and re-emerging infectious diseases?Is the family of…

A: Microbes are small living organisms like bacteria. Most of them are harmless and even helpful to…

Q: The trade-off hypothesis describes the idea that both a “too much” virus and a “not enough” virus…

A: There is a hypothesis that "too much" virus and a "not enough" virus will not spread very much. But…

Q: 1. a.Upon looking at these pictures, what are your thoughts regarding this pandemic that we are…

A: Coronavirus disease (COVID-19) is an infectious respiratory disease caused by the SARS-CoV-2 virus.

Q: Which of the following statements concerning antigenic drift in influenza viruses is correct? A-It…

A: Antigenic drift can be defined as small mutations in the genes of the influenza viruses that can…

Q: Explain why the COVID-19 virus has been described as being sporadic, then epidemic and now pandemic.…

A: Introduction: Infectious diseases are constantly prevalent in society and are transmitted by either…

Q: Which of the following statement is true for Orthomyxoviruses but NOT Paramyxoviruses: Viral genome…

A: Orthomyxoviruses Contains 8 segments of single stranded negative RNA It has nucleocapsid, that…

Q: Covid-19 pandemic has been the subject of incredible conspiracy theories. Based on your knowledge of…

A: Coronaviruses are a broad group of viruses that infect the human respiratory system and can be mild…

Q: In recent history we have been fairly successful in eradicating or substantially diminishing the…

A: Eradication refers to the global incidence of infection caused by a certain agent permanently…

Q: Identify and explain in what ways does west nile virus impact human health

A: Introduction :- The West Nile Virus belongs to the Flaviviridae family of viruses, which also…

Q: Why is the Ebola virus considered a serious/dangerous virus?

A: Ebola virus disease is a deadly disease with occasional outbreaks that occur primarily on 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: Disease control methods do not work to eradicate or wipe out a disease.  Instead, the goal is to do…

A: Disease is any change in the metal physical or behavioral health of an individual.

Q: Why does the environmental conditions not really matter to the virus right now? In other words why…

A: Normally temperature does affect the growth of the viruses because temperature directly affects 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.