Status Updates From Viruses: A Very Short Intro...
Viruses: A Very Short Introduction by
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Thomas Morris
is on page 95 of 176
Smallpox: Ethiopia was last endemic
Rinderpest: mortality was 90%; last case was in kenya
TTV like miniviruses are carried by nearly everyone and are harmless
Measles SSPE is 1 in 10,000
there are 8 human herpesviruses
UV light can precipitate HSV cold sores
10% fetus are affected by primary maternal CMV
EBV: asymptomatic in child; GF in 25% non child; GF lasts 10-14 days; GF
— Feb 17, 2026 04:35PM
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Rinderpest: mortality was 90%; last case was in kenya
TTV like miniviruses are carried by nearly everyone and are harmless
Measles SSPE is 1 in 10,000
there are 8 human herpesviruses
UV light can precipitate HSV cold sores
10% fetus are affected by primary maternal CMV
EBV: asymptomatic in child; GF in 25% non child; GF lasts 10-14 days; GF
Thomas Morris
is on page 77 of 176
rotavirus: 10 virions can infect; kills 440,000 annually
influenza: usually >7 days
rubella: bad in 10-16 weeks pregnancy
norovirus kills 50,000 annual
polio: bad in 1 in 1,000; non paralytic is meningitis; 5% paralytic is fatal; became a problem when maternal immunity decreased through hygiene; 1/million live vaccine cause paralytic; still in pakistan and afghanistan
— Feb 16, 2026 04:39PM
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influenza: usually >7 days
rubella: bad in 10-16 weeks pregnancy
norovirus kills 50,000 annual
polio: bad in 1 in 1,000; non paralytic is meningitis; 5% paralytic is fatal; became a problem when maternal immunity decreased through hygiene; 1/million live vaccine cause paralytic; still in pakistan and afghanistan
Thomas Morris
is on page 77 of 176
rinderpest is closest to measles
smallpox had 30% mortality
measles needs 500,000 people to circulate
— Feb 15, 2026 05:52PM
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smallpox had 30% mortality
measles needs 500,000 people to circulate
Thomas Morris
is on page 70 of 176
SARS CoV 2 initially had 25% mortality for over-85
— Feb 14, 2026 05:06AM
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Thomas Morris
is on page 63 of 176
MERS mortality rate is 35%
MERS is from camels “camel flu”
There are 4 minor coronaviruses and 3 serious coronaviruses
Zika is mainly only a problem in pregnancy
Chickungunya means “the one which bends up” because the joint pain makes you stoop
dengue is called “break bone fever”
1-2% dengue cases are serious
yellow fever has 50% mortality
— Feb 12, 2026 05:01PM
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MERS is from camels “camel flu”
There are 4 minor coronaviruses and 3 serious coronaviruses
Zika is mainly only a problem in pregnancy
Chickungunya means “the one which bends up” because the joint pain makes you stoop
dengue is called “break bone fever”
1-2% dengue cases are serious
yellow fever has 50% mortality
