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The evolution of washing hands

in islamic and jewish cultures handwashing rituals for 1000 years

1848

Ignaz Semmelweis

hand hygiene -->

dropped from 18 percent to 1

high mortality rate for new mothers

BUT! not accepted

he got fired,sent to a psychiatric institution

1857

Louis Pasteur

pasteurisation

he raised awareness of pathogens

1876

Robert Koch

anthrax bacillus

Early 1900s

doctors

then everybody started washing their hands

1850s

Florence Nightingale

Crimean war

intuitively improved hygiene in military hospitals

death rates from bacterial diseases dicreased

in the 1970s the awareness dropped

1980s

HIV

super hygiene again

before coronavirus

After urinating, 69% of women washed their hands

43% men

before eating

10% of men and 7% of women

2020

pandemic=

coronavirus

(overpopulation)

wash your hand 5-10x usual-->

reduce your risks by quater

significantly stop the spread of coronavirus

STAY HOME!

STAY SAFE!

(quarantine)

a.k.a

how we managed to get to coronavirus