Virology Overview Flashcards
Deadliest Diseases in Humans
Ebola AIDS HIV Small pox Rabies SARS Influenza
Deadliest Diseases in Animals
Rinderpest African Horse Sickness Blue Tongue Newcastle Disease African Swine Fever Rabies FIP
Virology
Study of viruses and viral diseases
Virologist
someone that studies viruses
Veterinary virology
Study of non humans viruses
T or F
Viruses are non living entities
True
Capsid
Protein coat composed of capsomeres
T or F
Viruses have organelles such as mitochondria, Golgi, ER, chloroplast
False
T or H
Viruses do not need host ro replicate
FALSE
they ALL rely on host
The capsomeres are held together by what type of bonds
non covalent
Capsid + Nucleic acid=
Nucleocapsid
What is the envelope
Lipid layer that Covers the nucleocapsid
What are the spikes in the envelope
Glycoproteins
Naked viruses
Do not have an envelope
Steps of Replication
Adherence Penetration Uncoating Release Assembly Synthesis
Impacts of virus replication to cell
Cell death
No apparent Changes
Transformation of cell malignant one
Fusion of cells
What is apoptosis
programmed cell death
Cell death may happen through (3)
Cell lysis
Alteration of cell membrane
Apoptosis
Latent
Dormant
Chronic
For long periods of time
Persistent
It is present in the body may be latent or not but it usually is there for a while (HIV)
What is the ICTV
International Committee of Taxonomy of Viruses
What is the ICTV in charge for
Classification systems and in charge of developing, refining, and maintaining universal taxonomy of viruses
Ways or transmissions
Direct Indirect Common Vehicle Airborne Vector Zoonotic Vertical
Zoonotic transmission is
Transmission from animals to humans
Vertical transmission
Transmission to offspring
Diagnosis of viruses (7)
By gross evaluation and histopathology Cultivation and Isolation Electron Microscopy Serology Fluorescent Staining Immunohistochemical staining Detection of viral nucleic acid
Histopathology ways for detecting viruses
Necropsy
Histopathology
Cultivations used for viruses
in Cell tissue culture
in Eggs
Serology
Detection of viral antigen or host antibody against virus
ELISA
Treatments for viruses (3)
Antiviral drugs
IS Stimulation
Synthesize antibodies or administration of natural antiserum
Antiviral Drugs
Interfere with the ability of a virus to infiltrate a target cell or target different stages of replication and synthesis of components required for replication of a virus
IS Stimulation
Interferons, they have antiviral effects and modulate function of IS
Prevention and control of Viruses
Vaccination
Proper Hygiene
Eliminating Vectors
Vaccinations used (3)
Live attenuated virus vaccines
Non replicating virus vaccine
Vaccines produced by recombinant DNA
Biological Control
Use natural enemies to eliminate mosquitoes such as the predator fish
Chemical Control
Insecticides
Quarantine and Culling
To separate and restrict the movement of animals
culling or killing of animals
Proper disposition
