The H1N1 virus (swine influenza) is a novel infection that has not earlier been known in North America. It has recently‚ however‚ infected a number of people in the United States and Mexico. Swine flu is actually a respiratory virus of pigs which was first identified in 1918 and although historic diffusion to human beings has been sporadic‚ the infection rate in humans is intensifying at present (Barnes‚ 2008). The H1N1 virus‚ just like seasonal influenza‚ is simply spread by the minute drops
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Behaviors and Symptoms of a Psychopath Psychopaths are usually associated with sadistic extremes like Ted Bundy or Hannibal Lecter in Silence of the Lambs‚ but not all psychopaths are necessarily this obvious to spot. Some psychopaths live an entire life without acting on their instinctual need to control and hurt others. Psychopaths can be divided into 4 separate subgroups based on their behavior. There is the primary psychopath‚ the secondary psychopath‚ the distempered psychopath‚ and the
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Introduction A bacteriophage is a virus that infects bacteria. A type of bacteriophage is bacteriophage lambda. This specific bacteriophage infects E. Coli. It is composed of protein and double stranded DNA ¡VdsDNA). The DNA of the phage contains around 50‚000 base pairs and codes for 50 proteins. At both ends of the DNA of the phage‚ there are cohesive ends‚ which are composed of 12 nucleotides. Both ends compliment each other‚ which makes the DNA circular once together. This circular DNA
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HUMAN IMMUNODEFICIENCY VIRUS OR HIV -ay isang lentivirus (na kasapi ng pamilyang retrovirus) na nagsasanhi ng acquired immunodeficiency syndrome (AIDS o nakukuhang kakulangan ng immunong sindroma)‚ Ang AIDS ay isang kondisyon sa mga tao kung saan ang patuloy ng pagkabigo o paghina ng sistemang immuno ay pumapayag sa mga nakapanganganib sa buhay na mga oportunistikong mga impeksiyon na manaig. History HIV-1 from chimpanzees and gorillas to humans Scientists generally accept that the known
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killing viruses‚ the Ebola virus. Have you ever wondered how it infects people‚ how the victims are treated‚ and how they are working to control the outbreaks. These are just some of the many questions about this deadly disease that could soon turn into an epidemic. The Ebola virus is a member of the negative strand RNA virus‚ also known as flivoviruses. Filovirus causes hemorrhagic fevers in humans‚ but there are only 2 known members of the filovirus so far; Ebola and Marburg virus. There are four different
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I. Cause: * RSV is caused by a virus. It can be spread through droplets when an infected person coughs or sneezes or by contact with the nasal or oral secretions of an infected person‚ either directly (i.e.‚ kissing) or indirectly (i.e.‚ touching a doorknob). II. Signs/Symptoms: * Runny nose * Decreased appetite and activity level * Coughing * Sneezing * Fever * Wheezing/Difficulty breathing * Irritability III. Incidence: * Anyone
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Optic Nerve The optic nerve is located in the back of the eye and is also called second cranial nerve and cranial nerve II. the optic nerve is to transfer visual information from the retina to teh vision centres of the brain via electrical impulses. It is made up of ganglionic cells or nerve cells and consists of more than 1 million nerve fibres . Our blind spot is caused by the absence of specialised photosensitive/light-sensitive cells or photoreceptors; the part of the retina where the optic
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backyard?” The Zika virus is a virus that can take down a whole town. The zika virus is spread rapidly by mosquitoes; history shows the symptoms and treatment are very limited. In 1947 the zika virus started in a forest called Uganda’s zika forest. The scientist did think it would come back‚ but in the summer of 2016 the virus came back. He virus started in Brazil and now spreading to Rio and now is going to Latin America. The invasion in Brazil was started a year ago. The virus is one of the worst
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from person to person through close physical contact or direct contact with infected bodily secretions. “Measles is caused by a virus in the paramyxovirus family” ("Measles‚" 2013). Paramyxoviruses are single-stranded RNA viruses that infect respiratory cells. If an infected individual coughs or sneezes they expel mucous membrane cells within their secretions. The virus stays active and therefore contagious for up to 2 hours in the air and on surfaces. People can contract the illness by touching
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NEW MICROBIOLOGICA‚ 36‚ 211-227‚ 2013 Chikungunya virus infection: an overview Claudia Caglioti‚ Eleonora Lalle‚ Concetta Castilletti‚ Fabrizio Carletti‚ Maria Rosaria Capobianchi‚ Licia Bordi Laboratory of Virology‚ “L. Spallanzani” National Institute for Infectious Diseases‚ Rome‚ Italy SUMMARY Chikungunya virus (CHIKV) is a mosquito-transmitted alphavirus belonging to the Togaviridae family‚ first isolated in Tanzania in 1952. The main vectors are mosquitoes from the Aedes species. Recently
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