PPT-1 Antiviral Agents 2 Viruses are obligate intracellular microbes

use many of the host cells biochemical mechanisms and products to sustain their viability A mature virusvirion can exist outside a host cell and still retain its infective properties 3 the virus. Chapter 11 . Standard Course of Study. 6.03: Compare the life functions of protists.. 7.01: Compare and contrast microbes.. Students will be able to explain the differences between protists, bacteria, . The Great Debate. Beneficial uses for Viruses. - . Gene therapy – using virus mechanics to aid in changing mutated cells. - Cowpox – vaccinations to prevent diseases. - viral symbiosis with gut tract** check facts. Introduction. What do we know about? . Size?. (. animace. ) . Invisible with naked eye. Structure?. Cells (bacteria, fungi, protozoa). Acellular. particles (viruses). Where are microbes found?. Everywhere: . Infectious Agents of Animals . and Plants. Chapter 14. What am I?. Structure and Classification of Animal Viruses. Classification of animal viruses. Taxonomic criteria based on. Genomic structure. DNA or RNA. medications. Medicinal chemistry. Virus Characteristics. A virus is an infectious agent found in virtually all life forms.. Viruses consist of genetic material, and have a central core either DNA nor RNA. Department of . Immunology. IMMU 7070-Introductory Immunology 2010-2011. Dr. . Nyla . Dil. 437 Apotex Centre. 272-3149. Oct 20, 2011. Objectives. . To understand how the immune system performs its major physiologic function.. Dalya. Basil. Antiviral Chemotherapy . (Prevention and Treatment of Viral Infection). Viruses are a leading cause of disease and death worldwide. Although public health measures and vaccines are the most effective ways to control many viral infections, preventive measures have not succeeded for numerous viral diseases. For some of these diseases, antiviral drugs have been developed.. Virus Characteristics. A virus is an infectious agent found in virtually all life forms.. Viruses consist of genetic material, and have a central core either DNA nor RNA. Although they are infectious agents, they differ from bacteria in that they contain . Dr.. . Nirbhay. Kumar. Asstt. . Professor & Head. Deptt. . of Veterinary Pharmacology & Toxicology. Bihar Veterinary College, Bihar Animal Sciences University, Patna. Viral Chemotherapy. Difficult. . . The process of transfer of virus into host is referred as . TRANSMISSION. and this is an important step in the life cycle of viruses.. Person to person infections are said to be . HORIZONTAL. . Pass through specially designed filters. . In 1935, W.M Stanley – isolated TM V – find properties of a crystalline solid . . . Virus not a simply protein but nucleoprotein . Its infectious principle is the nucleic acid (RNA/DNA). Viruses are the most primitive microorganisms infecting man. . General properties. Obligate intracellular . Possess either DNA (deoxyribonucleic acid) or RNA (ribonucleic acid), but never both . Smaller than bacteria, can be passed through the bacterial filters. Viruses consist of a genome and sometimes a few enzymes stored in a capsule made of protein (called a . capsid. ), and sometimes covered with a lipid layer (sometimes called an 'envelope'). They are . Background. Seasonal influenza is estimated to cause approximately 300,000 to 650,000 deaths worldwide annually. Currently, recommended antiviral agents for influenza (. oseltamivir. ) have not been studied in placebo controlled randomised trials to demonstrate survival benefit in hospitalized patients with influenza.