what are the physical characteristics of west nile virus?
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WNV is an arbovirus in the family Flaviridae. Its spherical, enveloped capsid has a diameter of ≈50 nm and contains single-stranded RNA that encodes the capsid (C), envelope (E), and premembrane (prM) proteins, as well as 7 nonstructural proteins that likely contribute to viral replication.
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['They are covered in scales.', 'They lay eggs.', 'They will bask in the sun for maintaining body temperature for daily activities. ... ', 'They are different from each other during locomotion as some lack legs (snakes) and have varying levels of speed.']
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Mild symptoms can resolve on their own. People with severe symptoms may need to be hospitalized and receive intravenous fluids or help with breathing, the CDC says. Pass it on: Authorities in Dallas are spraying insecticide, hoping to curb the spread of the West Nile Virus, which has killed 10.
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Some of the signs of parvovirus include lethargy; loss of appetite; abdominal pain and bloating; fever or low body temperature (hypothermia); vomiting; and severe, often bloody, diarrhea.
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In general, the shapes of viruses are classified into four groups: filamentous, isometric (or icosahedral), enveloped, and head and tail. Filamentous viruses are long and cylindrical. Many plant viruses are filamentous, including TMV (tobacco mosaic virus).
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['Fever.', 'Headache.', 'Sensitivity to light.', 'Fatigue.']
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Symptoms of a stomach virus Loss of appetite. Diarrhea. Fever. Headache and body aches.
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Some flaviviruses, such as West Nile, can enter the brain and induce encephalitis, whereas yellow fever infects the liver, dengue can cause shock and haemorrhage within the body, and Zika induces joint and muscle pain upon infection.
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Dengue is a viral disease spread through mosquito bites. Symptoms include fever, headache, nausea, vomiting, rash, pain in the eyes, joints, and muscles, and minor bleeding. If you are bitten by an infected mosquito, symptoms can take up to 2 weeks to develop but usually last less than a week.
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WNV infection manifests as two clinical syndromes: West Nile fever (WN fever) and West Nile encephalitis (WNE). WNE can be defined as disease that causes encephalitis, meningitis, or acute flaccid paralysis.
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['They possess an exoskeleton.', 'They have jointed appendages.', 'Their body is segmented.', 'They are bilaterally symmetrical.', 'They possess an open circulatory system.']
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A viral genomes four characteristics of genetic information are nucleic acid, single or double strands, polarity, and structure.
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['Runny nose.', 'Low-grade fever (generally minimal throughout the course of the disease)', 'Mild, occasional cough.', 'Apnea – a pause in breathing (in babies)']
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Nonliving characteristics include the fact that they are not cells, have no cytoplasm or cellular organelles, and carry out no metabolism on their own and therefore must replicate using the host cell's metabolic machinery. 4. Viruses can infect animals, plants, and even other microorganisms.
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['They need food.', 'They grow in size.', 'They move.', 'They respond to stimuli.', 'They reproduce.', 'They breathe.', 'They die.']
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['Have genetic material i.e either DNA or RNA .', 'Can undergo mutation.', 'Show irritability.', 'Are capable to reproduce and hence can increase their number.', 'React to heat, chemicals and radiations.', 'Are resistant to antibiotics.']
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['Four limbs.', 'External ears.', 'Movable eyelids.', 'A short neck.', 'A long tail, which they can shed in order to escape from predators.', 'They eat insects.']