Smallpox and Plague continued to bedevil Europe and what appeared to be a new disease, Typhus,  made an appearance during the late 15th century All three proceeded to have an impact on continental rivalries through the 18th century.  Describe what typhus, its connection to war, and its impact, along with plague during the various conflicts in the period in question.  Be sure to provide at least two examples of its impact in war time.

Please answer fast Which of the following statements regarding global disease are true? SELECT ALL THAT APPLY?   More virulent diseases may actually be spread less because of the severity of the symptoms may prevent human interactions.   In non-pandemic years, the leading cause of death is different for countries of different economic levels (high vs low).   None of the other answers are correct (select this answer only).   At one time, COVID-19 became one of the leading causes of death in the United States.   Both communicable and non-communicable diseases are in the top ten global causes of death regardless of income level of the country.

Describe the pathogen that causes “The Flu”. What happens you get the flu and how did you most likely acquire it. Explain how the causal pathogen is different from many other pathogens in terms of why it can cause epidemics and pandemics and why you need an annual vaccine. Define the terms antigenic shift and antigenic drift and explain how they are related to this disease.

Which of the following statements about the development of infectious diseases is correct? The prodromal period is characterized by very severe symptoms.   During the incubation period, the infected individual exhibits obvious signs of sickness.   The period of continuation is the time during which the person regains health and fully recovers (back to the pre-disease state).   The period of invasion is the time when the height of infection occurs.

Dengue hemorrhagic fever (DHF) is endemic in many tropical areas of the world. Suppose an unseasonably warm spring has led to increased population of mosquitoes and subsequently epidemic levels of DHF infection in Sri Lanka during this year. Under normal circumstances, community X in Sri Lanka has an average of 12 DHF cases per month. Define endemic?  Define epidemic?

Identify the MISMATCH from the following pairs  Group of answer choices chicken pox :::: aerosole transmitted Nesisseria gonorrhoeae ::::: uses cork screw motion to enter enveloped viruses :::: direct person to person transmission common cold virus ::::: conjunctiva entry Hepatitis C entry :::: parenteral route of entry

During the 2015 Ebola outbreak in West Africa, Ebola aid workers like Abdul Lebbie engaged in a practice called contact tracing. These contact tracers locate and isolate (through quarantine) individuals who may have come into contact with an infected individual. Contact tracing is an attempt to reduce the RO of a disease by: reducing the infectious period reducing the transmission rate reducing the virulence increasing the infectious period O increasing the transmission rate