What is the virus that causes flu, Biology

Assignment Help:

What is the virus that causes flu? Why doesn't the body create permanent immunity against that virus? How does the vaccine against flu work?

Flu is a disease caused by the influenza virus, a highly mutant DNA virus. Because of the high mutation rate of the virus, that forms many dissimilar strains, flu always presents epidemic features in affected populations and people may have some flu episodes during life (the immune response made from previous infections is not efficient in future infections).

The vaccine against flu is a vaccine made of attenuated virus of three dissimilar strains. Each year the WHO (World Health Organization) researches and determines which are the strains that should compose the vaccine. This is a method to face the high mutation rate of the virus.

 


Related Discussions:- What is the virus that causes flu

Explain the physical methods to control microorganisms, Explain the Physica...

Explain the Physical Methods to Control Microorganisms? The physical methods to control microorganisms involve heat, filtration or radiations. Figure illustrates these methods.

Define glycogenolysis, Define Glycogenolysis Glycogenolysis : degrad...

Define Glycogenolysis Glycogenolysis : degradation of glycogen.

Observations reveal about mechanisms of sex determination, XYY humans are f...

XYY humans are fertile males. XXX humans are fertile females. What do these observations reveal about the mechanisms of sex determination and dosage compensation?

In which area dietitians works, In which area Dietitians works Dietitia...

In which area Dietitians works Dietitians can work in a variety of areas, as already mentioned earlier, many of these are in the  Hospitals or in  the community  as  'Clinical

Polyembryony, Polyembryony Presence of more than one embryo in a seed...

Polyembryony Presence of more than one embryo in a seed is termed polyembryony. The phenomenon, first discovered in orange seeds by Leeuwenhoek (1719), attracted considerable

Heat removal of gutta percha-endodontics principles, Heat removal of Gutta ...

Heat removal of Gutta percha: -    Heated plugger. -    Touch-N-Heat or system B used to thermo soften and remove gutta-percha from root canal systems. -    The cross-sectional

Difference between algae and protozoans, Q. What is the fundamental differe...

Q. What is the fundamental difference between algae and protozoans? The basic difference between algae and protozoans is the fact that algae are photosynthetic autotrophs while

Define iron factors affecting absorption of dietary iron, Define Iron Facto...

Define Iron Factors affecting absorption of dietary iron? We have read earlier that iron in foods occurs either as haem or non-haem iron. Haem iron comprises of iron in combina

Blotting technique to detect particular specific proteins, Blotting method ...

Blotting method to detect particular one proteins Ans) Western blotting

How are chromosomes classified, How is the chromosome region where the cent...

How is the chromosome region where the centromere is located called? How are chromosomes classified in relation to the position of their centromere? The chromosome region where

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd