pandemics Flashcards
what is an epidemic
rapid spread of disease within a population in a short period of time
what is a pandemic
epidemic that has spread across a large region or worldwide
why did some survive pandemic
Survivors carried mutations that boosted their immune systems
what were the costs of being immune to pandemic viruses
associated with high risk of autoimmune diseases today: Crohn’s disease and rheumatoid arthritis
what was the cause of covid
Caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)
where was the first known case of covid
Wuhan China in Dec. 2019
initially how many did each infected person with covid infect
2.4-3.4 others
how many people spread covid with no symptoms
1/3
what % of people with covid had mild to moderate symptoms
81%
up to mild pneumonia
what % of people with covid had severe symptoms
14%
shortness of breath and hypoxia
what % of people with covid were critical
5%
respiratory failure requiring ICU admission; 30-46% die
when were people with covid symptomatic
on day 4-5
when were people with covid infectious
on days 1-4
what was the omicron variant
less severe disease than Delta but more contagious
what was special about the omicron variant
evades antibodies from vaccinations & prior infection
how to bypass misinformation
find reliable sources of information
learn to read and interpret data
how many death did the covid vaccine prevent
14-20 million
90,000 - 150,000 in canada
what % are adults less likely to be infected with covid after getting the mRNA vaccine
58%
what % are adults less likely to be hospitalized with covid
24-92%
what are vaccines not as effective at fighting
omicron
what % of canadians suffer from long covid
15%
is there lifetime immunity with vaccines
no
what effective measures should we take against covid
stay home and isolate
improving indoor ventilation
school closures initially but not now
social distancing initially
what is the difference between misinformation and disinformation
False ormisleading and inadvertently shared (misinformation) or deliberately created orshared (disinformation)