What is the virus that causes flu, Biology

Assignment Help:

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

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

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


Related Discussions:- What is the virus that causes flu

Definition of epileptic seizures, Definition of Epileptic seizures Epil...

Definition of Epileptic seizures Epileptic seizures are classified as symptomatic seizures if they can be identified with a specific cause, such as infection, trauma, tumor, va

Detailed explanation of effects of air pollution, On living organism  ...

On living organism           Air pollution causes following effects on living organism: (a)   Effects on humans: 1.      Carbon monoxide reduces the oxygen carrying cap

What are intraspecific ecological interactions, What are intraspecific and ...

What are intraspecific and interspecific ecological interactions? Intraspecific ecological interactions are those among individuals of the same species. Interspecific ecologic

Protozoans - body form, Protozoans - Body Form The protozoan body is ...

Protozoans - Body Form The protozoan body is usually bound only by the cell membrane called plasmalemma. In some protozoans such as in ciliates the rigidity and the flexibili

How can bacteria produce human insulin, Q. How can bacteria produce human i...

Q. How can bacteria produce human insulin on an industrial scale? What are the other forms of insulin made available by the pharmaceutical industry? Bacteria don't naturally sy

Define drug effects on metabolism of dietary components, Define Drug effect...

Define Drug effects on Metabolism of dietary components? Drugs can also compete with, or inhibit, the metabolic conversion of some micronutrients to their active metabolites,

Define about the storage of zinc in humans, Define about the Storage of Zin...

Define about the Storage of Zinc in Humans? Zinc is found in most organs, concentration being higher in liver, kidney, muscle, skin and bone. Zinc content of muscle, brain, lun

Physical and physiological changes - geriatric nutrition, Define Physical a...

Define Physical and Physiological Changes? Every stage has its unique requirements due to different changing needs. With respect to nutrition and health, four different basic a

Effects on aquatic organisms - water pollution, Effects on Aquatic Organism...

Effects on Aquatic Organisms - Water Pollution Toxic water pollutants such as metals, pesticides, insecticides and chemicals affect aquatic species directly whereas the non-t

Long-term responses - behaviour of plants, Long-term responses - Behaviour ...

Long-term responses - Behaviour of Plants Plants alter their course of development to suit the prevailing environmental conditions. For example, leaf maturation and fall, onse

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