A brief history of pandemics Flashcards

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1
Q

define epidemic

A

a disease that affects a large number of individuals within a population, region or community

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2
Q

define a pandemic

A

an epidemic occurring world-wide or over a wide area, crossing international boundaries

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3
Q

spanish flu was HN? date

A

H1N1

1918

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4
Q

SPANISH FLU deaths?

A

40/50 million

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5
Q

why did Spanish flu target younger people?

A

cytokine storms

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6
Q

why was spanish flu spread so easily?

A

no vaccines
moving regions
medical professionals on the front line NOT at home

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7
Q

why was H1N1 highly virulent

A

rapid viral replication
rapid and severe lung damage
highly virulent in animal models

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8
Q

H2N2 deaths and date?

A

1 million deaths

1950’s

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9
Q

TF: H2N2 was severe compared to the spanish flu pandemic

A

no it was mild

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10
Q

UK’s response to the H2N2 pandemic?

A

inconsistent- local intervention not national

vaccination only given late in the pandemic

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11
Q

H3N2 also known as the ______ pandemic. meaning?

A

smouldering

sporadic effects in terms of immunity- due to prior exposure to N2?

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12
Q

H3N2 deaths? most common in which age groups?

A

1 million deaths globally

>65

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13
Q

why was there a second wave of H3N2?

A

viral drift in N2

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