VTPB 221 EXAM 2 STUDY GUIDE
Yellow Fever - Answer -Flavivirus
Viral Hemorrhagic Fever
Arbovirus (aedes mosquito)
Zoonotic
North S. America and Mid-Africa
200,000 cases 30,000 deaths (deadly)
Didn't exist in W. until colonization
Short incubation
Headaches, hemorrhage, fever, jaundice, and death
From Africa
Spanish War and Panama Canal and Cuba
Mosquitos and primates are hosts
Was in Texas
Present in north S. American and Mid-Africa
Dengue - Answer -Flavivirus
Viral Hemorrhagic Fever
Arbovirus (aedes mosquito)
Humans primary vertebrate host
Reservoir: humans and mosquitos
Isolated in 1943 Nagasaki, Japan
Almost half of global population live in endemic areas
Leading cause of illness and death in tropics and subtropics
400 million cases anually
1-5% death rate
Fever, head ache, rash, hemorrhage, and muscle and joint pain
More leatha when second infection
Present in TX (infection possible)
Prevented through mosquito control
Only one vaccine but not too helpful
MERS - Answer -Coronavirus
Bushmeat
Respiratory syndrome
RNA virus
Middle East area
Spread by aerosol and maybe ingestion
34.4% death rate
2578 global cases
First in Saudi Arabia 2012
Travel associated : Europe, US, Asia
Camels with meat and milk
, SARS - Answer -Coronavirus
Bushmeat
respiratory syndrome
RNA virus
From person to person rapidly
live animal market might've caused
Ferrets & cats
Disappeared back in 2003
Covid-19 - Answer -COronaVIrus Disease (20)19
respiratory syndrome
RNA virus
1st documented 2019 Wuhan
Isolated Jan 2019
Present in all 50 states
Contagious even while asymptomatic
Close to SARS
Spread by droplets and aerosols
Pfizer FDA approval
Reverse Zoonosis
Most cases are Non-Severe
Severe with certain co-morbidities
New variant strains
Ebola - Answer -Filovirus (looks like worm)
Viral Hemorrhagic Fever
Spread through direct contact
Highly infectious
Contagious
Fever, headache, muscle pain, fatigue, diarrhea, vomiting, hemorrhage
Can be passed sexually
Associated with fruit bats, pigs
High mortality (DEADLY)
Humans and primates are NOT natural reservoir
First seen in S. Sudan 1976
Guinea, Liberia, and Sierra Leone, DRC, Sudan (countries w/bad infrastructure)
Has a vaccine by Merck
BUSHMEAT
Marburg - Answer -Filovirus (looks like worm)
Viral Hemorrhagic Fever
Spread through direct contact
Highly infectious
Contagious
First in Marburg and Frankfurt, Germany and Belgrade Yugoslavia (Serbia) 1967
African fruit bat vector
Yellow Fever - Answer -Flavivirus
Viral Hemorrhagic Fever
Arbovirus (aedes mosquito)
Zoonotic
North S. America and Mid-Africa
200,000 cases 30,000 deaths (deadly)
Didn't exist in W. until colonization
Short incubation
Headaches, hemorrhage, fever, jaundice, and death
From Africa
Spanish War and Panama Canal and Cuba
Mosquitos and primates are hosts
Was in Texas
Present in north S. American and Mid-Africa
Dengue - Answer -Flavivirus
Viral Hemorrhagic Fever
Arbovirus (aedes mosquito)
Humans primary vertebrate host
Reservoir: humans and mosquitos
Isolated in 1943 Nagasaki, Japan
Almost half of global population live in endemic areas
Leading cause of illness and death in tropics and subtropics
400 million cases anually
1-5% death rate
Fever, head ache, rash, hemorrhage, and muscle and joint pain
More leatha when second infection
Present in TX (infection possible)
Prevented through mosquito control
Only one vaccine but not too helpful
MERS - Answer -Coronavirus
Bushmeat
Respiratory syndrome
RNA virus
Middle East area
Spread by aerosol and maybe ingestion
34.4% death rate
2578 global cases
First in Saudi Arabia 2012
Travel associated : Europe, US, Asia
Camels with meat and milk
, SARS - Answer -Coronavirus
Bushmeat
respiratory syndrome
RNA virus
From person to person rapidly
live animal market might've caused
Ferrets & cats
Disappeared back in 2003
Covid-19 - Answer -COronaVIrus Disease (20)19
respiratory syndrome
RNA virus
1st documented 2019 Wuhan
Isolated Jan 2019
Present in all 50 states
Contagious even while asymptomatic
Close to SARS
Spread by droplets and aerosols
Pfizer FDA approval
Reverse Zoonosis
Most cases are Non-Severe
Severe with certain co-morbidities
New variant strains
Ebola - Answer -Filovirus (looks like worm)
Viral Hemorrhagic Fever
Spread through direct contact
Highly infectious
Contagious
Fever, headache, muscle pain, fatigue, diarrhea, vomiting, hemorrhage
Can be passed sexually
Associated with fruit bats, pigs
High mortality (DEADLY)
Humans and primates are NOT natural reservoir
First seen in S. Sudan 1976
Guinea, Liberia, and Sierra Leone, DRC, Sudan (countries w/bad infrastructure)
Has a vaccine by Merck
BUSHMEAT
Marburg - Answer -Filovirus (looks like worm)
Viral Hemorrhagic Fever
Spread through direct contact
Highly infectious
Contagious
First in Marburg and Frankfurt, Germany and Belgrade Yugoslavia (Serbia) 1967
African fruit bat vector
