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The Gateway Chronicle 2020

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74 Mathematics and Economics<br />

Coronavirus – ‘the science of<br />

uncertainty?’<br />

W<br />

hen Canadian physician William<br />

Osler remarked ‘medicine<br />

is a science of uncertainty and<br />

an art of probability’ at the turn of the 20 th<br />

century, it was a sentiment that resonated<br />

strongly. One hundred years on, in the<br />

middle of the coronavirus pandemic, it<br />

certainly feels like we’re facing a ‘science<br />

of uncertainty’, with so many questions<br />

unanswered and our ordinary lives hanging<br />

in the balance.<br />

However,<br />

the uncertainty<br />

we<br />

face now is just<br />

a fraction of<br />

that which humanity<br />

has<br />

dealt with in<br />

the face of pandemics<br />

gone<br />

by and an exploration<br />

of<br />

four of the<br />

world’s deadliest<br />

pandemics shows just how far the<br />

history of thought around disease has<br />

evolved.<br />

“One hundred years<br />

on, in the middle of the<br />

coronavirus pandemic,<br />

it certainly feels like<br />

we’re facing a ‘science<br />

of uncertainty’”<br />

One of the earliest pandemics recorded<br />

was the Plague of Justinian, named after<br />

the Emperor Justinian, I who ruled at the<br />

time, which tore through the Byzantine<br />

Empire and <strong>The</strong> Eastern Mediterranean<br />

in the middle of the sixth century.<br />

Caused by the same disease that caused<br />

the Black Death, the Plague of Justinian<br />

was bubonic, with reports of swellings,<br />

delirium and fever. A contemporary<br />

scholar, Procopius, blamed the disease on<br />

the emperor, ‘declaring Justinian to be either<br />

a devil or that the emperor was being<br />

punished by God for his evil ways’.<br />

Whether or not this personal attack on the<br />

emperor was a widespread theory, the<br />

idea of plague being a punishment from<br />

God certainly was and one of the main<br />

home remedies was prayer, along with<br />

powders that had been ‘blessed’ by saints,<br />

magic charms and amulets, all of which<br />

were designed to appease supernatural<br />

forces. Other home remedies included<br />

cold-water baths and drug taking, none of<br />

which were noted to be particularly effec-<br />

<strong>The</strong> Black Death killed up<br />

tive, of which the same can be<br />

to 60% of all Europeans at<br />

said for professional treatment<br />

the time<br />

by a physician, which was<br />

based on Galen’s ideas of balancing the<br />

body’s humours.<br />

By the end of the pandemic, an estimated<br />

25 million people had died – a staggering

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