Question

ASSIGUMENT How does Severe Acute Respiratory Syndrome Coronavirus(SARS-Cov) and Middle East Respiratory Syndrome Coronavirus (MERS-CoV) spread in their victims? . Trace the spread of Measles, Rubella and 2ika Virus upon entry of a host. Discuss the pathogenesis of HIV and Influenza Type A 31

Answer 1

Ans:- severe acute respiratory sydrome is caused by severe acute respiratory coronaviru and it spreads through respiratory droplets when infected person coughs and sneezes and the virus can also spread when a person touches the surface or a object that is contaminated with this virus and then touch his mouth ,nose is eyes.

Middle East respiratory syndrome:- it is caused by middle East respiratory coronavirus and it is a zoonotic virus which means a virus that transmitted between animals and humans.

It is spread from person to person through respiratory secretions and care of a infected person. Raw or uncooked camel meat,and unpasteurized dairy products of camel.

Spread of measles:- through droplets,

- blood,

- urine.

Spread of rubella:- - through droplets,

- mother to fetus because it is one of torch viruses.

Spread of Zika virus:- through Aedes aegypti mosquito,

- sexual contact,

- blood transfusion.etc.

Pathogenesis of the HIV is shown in following image:-

Pathogenesis of influenza virus A is shown in following image:-