lecture 3 COVID Flashcards
COVID in a pig is called
porcine deltacoronavirus
primary host of COVID ZOONOSIS
BAT
INTERMEDIATE HOST OF COVID ZOONPOSIS
PANGOLIN
what domestic animals besides bats transmit COVID to humans?
ferrets, hamsters, shrew, cats
which animals do not do COVID zoonosis?
pigs and poultry
why can the syrian hamster transmit covid?
hamster ACE2 is similar to human ACE2
animal testing was done in which animals (KCMO)?
mice, syrian hamsters, monkeys
SARS originally came from
animal wet markets in wuhan china
SARS causes high mortality in which popoulation?
elderly
difference between SARS and Wuhan
Sars- civet cat to bat; Wuhan- pangolin to bat
how long does COVID aerosol live?
few hours
COVID can last on surfaces for how long?
hours sometimes days
what reduces COVID virus time?
cleaning and warm temps
why are viruses transmitted more in winter pathologically?
membrane more rubbery. last in cold and dry environment
why are viruses transmitted more in winter between humans?
close contact, less vitamin D, low phys activity
what is the loss of life expectancy for COVID?
2 years
leading causes (top3) of death in US are?
heart disease , cancer, COVID
COVID blocks what other problems? why?
flu and RSV; bc they compete for cell machinery
which places have higher booster rates in the US?
west and east coast
the inflection point indicates
a change between things going good to bad or vice versa
inequality related to COVID is ebcause of
SES, race,
flu variants occur because?
since RNA dependent RNA polymerase makes mistakes in copying itself
social distancing helps with lowering total infections T/F?
FALSE- it only heps to lower daily infections
vaccine protection in a bunch of people protecting unvaxxed ppl is called __.
herd immunity
flattening the curve does not change numbers, but rather__
access to healthcare
