PART 2

• Mutation


  Virus ability to undergo genetic changes
• Ultraviolet Rays


  Radiation that destroys viruses
• Acellular


  Characteristic of viruses lacking cellular structure
• Crystallization


  Process of storing viruses like chemicals in bottles
• Host Range


  Variety of organisms infected by viruses
• Capsid


  Protein coat enclosing viral nucleic acid
• Enzyme System


  Absent in viruses, leading to no metabolic activity
• Nucleic Acid


  Genetic material of viruses, either DNA or RNA
• Capsomere


  Individual subunit of a capsid
• Intracellular Parasites


  Viruses that replicate inside host cells
• Viral Replication


  Process where viruses multiply within living cells
• Viral Genome


  Complete set of genes in a virus
• Viral Transmission


  Transfer of viral nucleic acid to other cells
• Viral Classification


  Sorting viruses based on nucleic acid and coat structures
• Viral Strains


  Varieties of viruses with different characteristics
• Viral Size


  Extremely small size of viruses, around 20 nm in diameter
• Viral Dependency


  Viruses relying on host cells for energy and survival
• Viral Symmetry


  Different shapes of viral capsids like helical, icosahedral, or prolate
• Viral Envelope


  Additional layer outside some viruses' capsules
• Viral Infections


  Diseases caused by viral agents
• Viral Rash


  Skin eruption associated with viral infections
• Viral Exanthem


  Rash occurring due to viral infections
• Viral Pathogens


  Microorganisms causing viral diseases
• Viral Incubation Period


  Time between viral exposure and symptom onset
• Viral Complications


  Adverse effects resulting from viral infections
• Varicella Virus Reactivation


  Result of immunosuppression, causes painful blisters in sensory ganglia
• Shingles


  Inflammation of sensory ganglia, manifests as painful blisters and paresthesia
• Paresthesia


  Numbness and tingling sensation
• Vesicles


  Fluid-filled blisters that are painful
• Acyclovir


  Antiviral drug to control virus spread, not to kill the virus
• VZIG


  Post-exposure prophylaxis for high-risk individuals
• Chickenpox Prevention


  Vaccination as pre-exposure measure
• Shingles Rash


  Initially tingling or painful feeling, followed by a red rash that blisters and oozes
• Adenoviral Conjunctivitis


  Pinkeye caused by adenovirus, characterized by redness, lacrimation, and tarsal follicles
• Keratoconjunctivitis


  Highly contagious viral eye infection caused by adenoviruses, lasting up to two weeks
• Hemorrhagic Conjunctivitis


  Highly contagious conjunctivitis with eye bleeding, painful red eyes, and excessive tearing
• Viral Hepatitis


  Liver inflammation caused by hepatotropic viruses like Hepatitis A, B, C, D, E
• Viral Gastroenteritis


  Stomach flu with symptoms like nausea, vomiting, diarrhea, caused by various viruses
• Acute Febrile Respiratory Disease


  Viral illness with fever, chills, headache, and respiratory symptoms like rhinitis and pneumonia
• SARS


  Viral respiratory illness with fever, cough, and pneumonia caused by SARS-CoV