Page 2 - Bow Tie for understanding COVID-19
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Hazard
Top Event
• There are only 2 threats leading you to catching Covid-19: via airborne transfer of the virus,
or from direct contact with infected surfaces and then touching your face and infection via
eyes, mouth or nose.
• There are only 3 possible serious consequences:
o your death or
o the death of someone you infect
o a protracted lockdown with associated economic consequences
And the Top Event, when things start to go wrong, is when you become infected.
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