Pathogens & Diseases: Viruses definitions Flashcards
BackPathogens & Diseases: Viruses definitions
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BackVirus
Smallest pathogen with a protein shell and genetic material, requiring host cells to reproduce and cause infections. Pathogen
Agent such as a virus or bacterium that invades the body and can trigger disease or infection. RNA
Genetic material found in some viruses, used to hijack host cell machinery for replication. DNA
Genetic blueprint present in certain viruses, enabling them to reproduce inside host cells. Incubation Period
Time between exposure to a virus and the appearance of symptoms, often complicating early detection. Respiratory Droplets
Tiny particles expelled during coughing or sneezing, serving as a major route for viral transmission. Influenza
Viral infection marked by fever, muscle aches, and fatigue, with potential for severe complications like pneumonia. COVID-19
Respiratory illness caused by coronavirus, ranging from mild symptoms to organ failure in severe cases. Hepatitis
Inflammation of the liver, often leading to chronic disease, with types A, B, and C differing in transmission and severity. Cirrhosis
Scarring of liver tissue resulting from chronic inflammation, increasing risk for liver failure and cancer. Jaundice
Yellowing of skin and eyes due to liver dysfunction, commonly seen in hepatitis infections. Microcephaly
Birth defect characterized by a smaller than average head, linked to abnormal brain development from Zika virus. Encephalitis
Severe brain inflammation that can result from viral infections like West Nile, leading to neurological complications. Vaccine
Preventive medical preparation that stimulates immunity against specific viral infections such as influenza and hepatitis. Antiviral Medication
Pharmaceutical treatment designed to inhibit viral replication and reduce severity of infections like influenza and COVID-19.
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