Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
12 Cards in this Set
- Front
- Back
Viral Replication
|
1)Adsorption - virus attaches to host cell
2)Penetration - virus penetrates host wall 3)Uncoating (eclipse) - DNA is uncoated inside sell, nucleic acid is released 4) Nucleic acid replication and synthesis of protein coat 5) Assembly - host puts virus back together (capsid, then nucleic acid injected) 6)Release - via budding or lysis |
|
Host Defenses
|
1) Humoral Immunity - prevention (Ab)
2) Cellular Immunity - recovery 3) Interferon - species specific |
|
Effects on Host Cell
|
1)None
2)Inclusion bodies 3)Giant cells 4)Cell death 5)Proliferation 6) Chromosomal changes |
|
1) Treatment
2) Prevention 3) Disinfection |
1) Viral drugs (usu prevention)
2) Vaccination 3) 10% Bleach |
|
RNA VIRUSES
|
RNA VIRUSES
|
|
Influenza Virus
|
flu
Types A & B Avian flu |
|
Parainfluenza virus
|
Croup (barking cough)
cold, bronchitis, pneumonia short-term immunity usu. in kids |
|
Human Metapneumovirus (hMPV)
|
croup
pnuewmonia |
|
Mumps virus
|
Parotitis (inflam. of parotid glands)
MMR vaccine Complication: inflam of testes and sterility in males after puberty |
|
Measels virus
|
(Rubeola, red measles)
Measles-maculopapular rash -Koplicks spots (in mouth) Subacute sclerosing panencephalitis (SSPE)-related to childhood measles |
|
Nipah and Hendra viruses
|
Nipah (SE Asia)- assoc w/ pigs
Hendra (Australia)- assoc w/ flying foxes(bats) -> horses ->humans severe respiratory illness |
|
Respiratory Syncytial Virus
(RSV) |
lower resp. tract disease in 1-5 yr olds
seasonal pneumonia, bronchitis |