The 1918 flu virus was different from seasonal flu viruses in that
Antigenic drift changed the HA spikes on the virus |
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The virus originated from recombination between pig, bird, and human viruses |
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All of the RNA segments were from a bird virus |
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The virus did not spread from person to person |
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The virus caused a latent viral infection |
Answer: The virus originated from recombination between pig, bird, and human viruses
Most pandemic flus have animal origins.
The 1918 flu virus was different from seasonal flu viruses in that Antigenic drift changed the...
30. Concerning the avian-adapted, highly pathogenic strain of HSN1 (called HPAI A(HSNI), for "highly pathogenic avian influenza virus of type A of subtype HSN1"), which of the following is false: causes "avian influenza" or simply "bird flu" has resulted in death of many millions of chickens and birds has resulted in recent deaths of many hundred thousands of exposed humans endemic in many bird populations all of the above are true Ae E. 31. Concerning helminthes, which of the following...
1. True or False: HIV is an RNA virus that belongs to a class of viruses called retroviruses. 2. Name the three large groups of metazoal parasites: 2. 3. Fil in the blank: Malaria is caused by several species of which has the protozoan parasite a complicated life cycle. 4. True or False: Animal parasites are organisms that have become adapted to living within or on the body of another animal, called the 5. True or False: Type 2 herpes...
Why are there different strains of the seasonal flu each year? A. The virus is able to live outside of its host, so it was from last year. B. The microbes has genes that rearrange to make new subtypes. C. The virus has no non-human reservoirs. D. Choices A and C
Karen is a 22 year old Nursing student that works at the local supermarket in her hometown. It is now the winter season and thus the height of cold and flu season in her hometown. She’d never gotten vaccinated before and had always made it through “flu season” just fine. Additionally, her two best friends were both vaccinated against influenza last year and had still gotten sick. Upon discussing her concerns with them, both warned her against getting vaccinated and...
A Case Study Involving Influenza and the Influenza Vaccine Karen: No way am I going to waste bucks on another flu shot. I got one last year and I still got sick. Do you remember that horrible sinus infection I had? I was so sick that I missed the Packer’s game at Lambeau Field. I had to watch the game at Tom’s house because he was having a party. I could barely breathe! Mary: I remember that you were...
please answer questions 1-3 photos of packet provided for information CINTOSE STUDY Part II - Viruses and Vaccines Viruses, Viruses, Viruses Smallpox, like many other dis c u s s an evil thing It has no intenso harm anyone or anything at all. Any individuals the called a virin) is that a particle, an inent object. On its own, it cant consume plants or other animals and beak them down to use the energy stored in their bonds. On its...
immunology practing samples and not sure if my answers correct. 1. NK cells are effective against viral infections because many virus infected cells a. are susceptible to lysis b. are susceptible to phagocytosis c. show reduced levels of MHC class I molecules d. show reduced levels of MHC class II molecules e. none of the above 2. Arachidonic acid serves as a substrate in the lipoxygenase and cyclooxygenase pathways resulting in the production of a. histamine, leukotrienes b. leukotrienes, prostaglandins...