A brief history of pandemics Flashcards
define epidemic
a disease that affects a large number of individuals within a population, region or community
define a pandemic
an epidemic occurring world-wide or over a wide area, crossing international boundaries
spanish flu was HN? date
H1N1
1918
SPANISH FLU deaths?
40/50 million
why did Spanish flu target younger people?
cytokine storms
why was spanish flu spread so easily?
no vaccines
moving regions
medical professionals on the front line NOT at home
why was H1N1 highly virulent
rapid viral replication
rapid and severe lung damage
highly virulent in animal models
H2N2 deaths and date?
1 million deaths
1950’s
TF: H2N2 was severe compared to the spanish flu pandemic
no it was mild
UK’s response to the H2N2 pandemic?
inconsistent- local intervention not national
vaccination only given late in the pandemic
H3N2 also known as the ______ pandemic. meaning?
smouldering
sporadic effects in terms of immunity- due to prior exposure to N2?
H3N2 deaths? most common in which age groups?
1 million deaths globally
>65
why was there a second wave of H3N2?
viral drift in N2