Virus Essay

and about 15,000 of them died. Hepatitis A Hepatitis A virus causes liver disease, which can result in fever, loss of appetite, fatigue, stomach pain, vomiting, and yellow skin or eyes (jaundice). Children younger than about…

(Nazarko, 2013). People develop chickenpox when they first exposure to herpes virus in childhood. When they recover from chickenpox, the virus remains in the spinal nerves in a dormant form. People with healthy immune systems keep the virus dormant with no symptoms of shingles. When people are in immune depressive status or when people are aging, they have increased risk to develop shingles due to reactive the herpes virus in the body. According to Conceicao and Shostak (2015), the typically…

As explained by the New World Encyclopedia, the lytic cycle is the life cycle of a virus in which “the virus that has entered a cell takes over the cell 's replication mechanism, makes viral DNA and viral proteins, and then lyses (breaks open) the cell, allowing the newly produced viruses to leave the now disintegrated host cell to infect other…

bacteriophage is a virus it has none of the properties of life like being made up of cells and grow independently, but it can reproduce, so therefore it is non-living. However, an E. coli bacterium is a bacteria and it is a unicellular organism which is an organism that consists of a single cell and it fits nicely into the definition of life, so therefore it is living.…

today I will be talking to you about the rabies virus. I will cover what rabies is, what organism causes this disease, and how it affects the body. I will also discuss the signs and symptoms, transmission, treatments or cure, and prevention of the rabies virus. What is rabies? Rabies is a type of zoonotic disease. A zoonotic disease is a disease that is transmitted by animals to humans. According to the Merian-Dictionary, the rabies virus is an acute virus disease of the nervous system of…

is caused by a virus. The inflammation can also happen on the underside of your eyelids. The blood vessels in the conjunctiva become inflamed, causing the eye to become red or pink, and often itchy. Viral conjunctivitis can be easily passed from one person to another (contagious). CAUSES Viral conjunctivitis is caused by a virus. A virus is a type of germ and can spread from one person to another. It can also be spread by touching objects that have been contaminated with the virus, such as…

Over 80 years after the1918 flu virus disappeared, epidemiologists still did not understand exactly why it was so devastating. After working with tissue samples from the autopsies of flu victims and the infected lung tissue of an Alaskan woman whose body had been preserved in Arctic permafrost, researchers at the Armed Forces Institute of Pathology and the Centers for Disease Control and Prevention were able to recreate an extinct virus. Then, in October of 2005, they announced that they had…

An example of this is the 1918 influenza pandemic, strain H1N1 which was identified to have originated in birds and killed between 40-50 million people2. The influenza A virus (IAV) is a member of the orthomyxoviridae family and has a negative sense, single stranded RNA genome split into 8 segments, containing 11 genes. The virus possesses a lipid envelope which is produced from the host cell. Spikes protrude from this membrane which consist of hemagglutinin (HA), which facilitates receptor…

surrounding it. This includes historical outbreaks of the virus, the causes of worldwide pandemics, and ways the virus may be prevented. There are three main types of this virus. “All three types can infect humans; however only type A can cause a pandemic. Type B causes severe illness and death in humans but only mild epidemics. Type C causes only mild illness in people” (Barbour 11). The common cold would be an example of a type C virus. There…

The wheezing and shortness of breath makes you think that. Bit then, your throat becomes sore, your nose is running constantly, and you have a fever. Now, you realize it may be bigger than asthma. You now realize you have RSV. Respiratory Syncytial Virus, also known as RSV is a disease that causes infections of the lungs and respiratory tract. It is a very common infectious disease. It is so common that most children that have it were infected by the age of two. That does not mean adults can’t…