FINAL 03 - Arthropod-Borne and Rodent-Borne Viruses Flashcards
Refers to a group of arthropod-borne viruses; has members from Bunyaviridae, Flaviviridae, Reoviridae, and Togaviridae
Arboviruses
The __________ family is initially included under Togaviridae “group B arboviruses”
Flaviviridae
Resembles dengue; more likely to cause high fever and maculopapular rash (Examples of undifferentiated fevers)
Chikungunya
Chikungunya is caused by the __________ virus, a member of the Togaviridae family
Chikungunya virus
Chikungunya is caused by the Chikungunya virus, a member of the __________ family
Togaviridae family
2 vectors of chikungunya (AA, AA)
Aedes aegypti, Aedes albopictus
A virus that is a member of Flaviviridae; causes fever, headache, muscle and joint pain, and microcephaly (in utero infection)
Zika virus
Zika virus is a member of the __________ family
Flaviviridae family
Vector of Zika virus
Aedes aegypti
Is a zoonosis primarily from domestic livestock; a short-lived mild febrile illness with almost always complete recovery (Examples of undifferentiated fevers)
Rift valley fever
Rift valley fever is caused by __________ from the Bunyaviridae family
Phlebovirus
Rift valley fever is caused by Phlebovirus from the __________ family
Bunyaviridae
Characterized by small itching papules, headache, malaise, nausea, fever, and photophobia (Examples of undifferentiated fevers)
Pappataci fever/Sandfly fever/Phlebotomous fever
Pappataci fever is caused by __________ from the Bunyaviridae family
Phlebovirus
Pappataci fever is caused by Phlebovirus from the __________ family
Bunyaviridae family
Vector of Pappataci fever
Phlebotomus papatasi (Female sandfly)
Characterized by fever, thrombocytopenia, leukopenia, and elevated liver enzymes (Examples of undifferentiated fevers)
Severe fever with thrombocytopenia syndrome
Severe fever with thrombocytopenia syndrome is caused by __________ from the Bunyaviridae family
Phlebovirus
Severe fever with thrombocytopenia syndrome is caused by Phlebovirus from the __________ family
Bunyaviridae family
Vector of severe fever with thrombocytopenia syndrome
Tick
Virus that causes fever, fatigue, anorexia, nausea, diarrhea, leukopenia, thrombocytopenia, and elevated liver enzymes
Heartland virus
Heartland virus is a member of __________ from Bunyaviridae family
Phlebovirus
Heartland virus is a member of Phlebovirus from __________ family
Bunyaviridae family
Vector of Heartland virus
Amblyomma americanum (Lone star tick)
Is self-limited; is a mild febrile disease characterized by a sudden onset of fever, headache, myalgia, arthralgia, lethargy, nausea, and vomiting (Examples of undifferentiated fevers)
Colorado tick fever/Mountain fever/Tick fever
Colorado tick fever is caused by __________ from Reoviridae family
Coltivirus
Colorado tick fever is caused by Coltivirus from __________ family
Reoviridae family
Vector of Colorado tick fever
Dermacentor andersoni (Wood tick)
Characterized by sudden of fever, chills, and headache; can progress to hepatorenal failure (Examples of hemorrhagic fevers)
Yellow fever
Yellow fever is caused by __________, the prototype virus of Flaviviridae family
Yellow fever virus
Yellow fever is caused by yellow fever virus, the prototype virus of __________ family
Flaviviridae
Vector of yellow fever
Aedes aegypti
Prevention for yellow fever
Live attenuated vaccine
Characterized by a febrile, critical, and recovery phase (Examples of hemorrhagic fevers)
Dengue fever/Breakbone fever
2 vectors of dengue fever (AA, AA)
Aedes aegypti, Aedes albopictus
Dengue fever is caused by the __________ virus, a member of Flaviviridae family
Dengue virus
Dengue fever is caused by the dengue virus, a member of __________ family
Flaviviridae
The dengue virus has __________ serotypes
Four (4)
Phase characterized by prodromal symptoms of malaise, chills, and headache (Phases of dengue fever)
Febrile phase
Type of fever that is common in DHF and severe dengue fever
Saddleback/Biphasic fever
Phase preceded by a rapid decline in platelet count and increased hematocrit (Phases of dengue fever)
Critical phase
Phase characterized by a gradual reabsorption of extravascular fluid for 2-3 days and bradycardia (Phases of dengue fever)
Recovery phase
Also known as Philippine, Thai, or Singapore hemorrhagic fever, Hemorrhagic dengue, and Acute infectious thrombocytopenic purpura (Clinical findings of dengue virus)
Dengue hemorrhagic fever
Can lead to severe bleeding, organ impairment, and life-threatening shock (Clinical findings of dengue virus)
Dengue hemorrhagic fever
A severe case of dengue hemorrhagic fever; a protein-losing shock syndrome (Clinical findings of dengue virus)
Dengue shock syndrome
A tetravalent, live-attenuated dengue vaccine given to 9-16 y/o in 3 doses, 6 months apart
Dengvaxia vaccine
Has an incubation period of 4-21 days; characterized by a sudden onset of severe headache, chills, fever, nausea, vomiting, generalized pains, and malaise
Encephalitis
Are viruses that cause hemorrhagic fevers; transmitted from rodents through contact with body fluids or excretions
Rodent-borne viruses
An acute viral infection that causes an interstitial nephritis that can lead to acute renal insufficiency and renal failure (Rodent-borne illnesses)
Hemorrhagic fever with renal syndrome (HFRS)
Hemorrhagic fever with renal syndrome (HFRS) is caused by __________, a member of the Bunyaviridae family
Hantavirus
Hemorrhagic fever with renal syndrome (HFRS) is caused by Hantavirus, a member of the __________ family
Bunyaviridae family
Vector of hemorrhagic fever with renal syndrome (HFRS)
Peromyscus maniculatus (Deer mouse)
Not a hemorrhagic fever; is generally severe with a morality rate of ≥30%; characterized by fever, headache, myalgia, and rapidly progressive pulmonary edema (Rodent-borne illnesses)
Hantavirus pulmonary syndrome
Hantavirus pulmonary syndrome is caused by __________, a member of Bunyaviridae family
Hantavirus
Hantavirus pulmonary syndrome is caused by Hantavirus, a member of __________ family
Bunyaviridae family
Vector of Hantavirus pulmonary syndrome
Peromyscus maniculatus (Deer mouse)
2 diseases characterized by fever, vomiting, back and chest pain, and deafness (Rodent-borne illnesses) (LL)
Lassa fever, Lujo fever
Lassa fever and Lujo fever is caused by __________ virus and __________ virus, which are members of the Arenaviridae family (LL)
Lassa virus, Lujo virus
Lassa fever and Lujo fever is caused by Lassa virus and Lujo virus, which are members of the __________ family
Arenaviridae family
Vector of Lassa fever
Mastomys natalensis
A group of hemorrhagic fevers wherein bleeding is more common than in Lassa fever
South American hemorrhagic fevers
South American hemorrhagic fevers are caused by members of the __________ family
Arenaviridae family
Other name of Junin hemorrhagic fever (Examples of South American hemorrhagic fevers)
Argentine hemorrhagic fever
Other name of Machupo hemorrhagic fever (Examples of South American hemorrhagic fevers)
Bolivian hemorrhagic fever
Caused by Guanarito virus (Examples of South American hemorrhagic fevers)
Venezuelan hemorrhagic fever
Vector of South American hemorrhagic fevers
Calomys sp.
Are hemorrhagic fevers characterized by fever, headache, sore throat, and muscle pain, often leading to shock and death; caused by Marburg and Ebola viruses from the Filoviridae family
African hemorrhagic fevers
African hemorrhagic fevers are caused by __________ and __________ viruses from the Filoviridae family; is highly virulent in humans and infections usually end in death (ME)
Marburg virus, Ebola virus
African hemorrhagic fevers are caused by Marburg and Ebola viruses from the __________ family; is highly virulent in humans and infections usually end in death
Filoviridae
A family of viruses that is long and threadlike; require maximum containment conditions (Biosafety level 4)
Filoviridae
A member of the Filoviridae family that caused recurrent outbreaks; the largest known outbreak was in western Africa in 2014-2016
Ebolavirus
Meaning of BOMV (Ebolavirus species that affects humans)
Bombali virus
Meaning of BDBV (Ebolavirus species that affects humans)
Bundibugyo virus
Meaning of SUDV (Ebolavirus species that affects humans)
Sudan virus
Meaning of EBOV; the most severe (Ebolavirus species that affects humans)
Zaire ebolavirus (EBOV)
Meaning of TAFV (Ebolavirus species that affects other primates)
Tai forest virus
Meaning of RESTV; is endemic in the Philippines (Ebolavirus species that affects other primates)
Reston virus