Editor's note

Did you know the Spanish flu epidemic in 1918 (which probably didn’t even come from Spain, by the way) killed more than double the number of people who died in the First World War which came before it?

And did you know the word ‘lousy’ comes from people feeling poorly due to an infestation of blood-sucking lice?

Infectious diseases have greatly affected the human race, including our culture, habits, and language, and we still struggle with many of them today. Globalisation means infectious diseases can be spread to all corners of the world, and some populations are more at-risk than others. Below is a three-part package we ran this week on immunity and infectious diseases around the world, and some fascinating infectious diseases coverage from the archives.

Alexandra Hansen

Health + Medicine Section Editor/Global Editor

Isolated peoples’ immune systems haven’t learned how to evade bugs. from www.shutterstock.com

Villages wiped out: why infectious diseases are so much more harmful to isolated peoples

Maxine Whittaker, James Cook University

There are numerous examples of the havoc infectious diseases can play on communities that have not previously been exposed to them.

An increasingly mobile global population is making it easier for infectious diseases to spread. www.shutterstock.com

Remote village to metropolis: how globalisation spreads infectious diseases

Allen Cheng, Monash University

Travel allows us to see the world – and bring foreign diseases home. Here's why spreading disease is easier than ever.

The immune system has to establish which cells belong to us and which are foreign, no mean feat. www.shutterstock.com

The bugs we carry and how our immune system fights them

Peter C. Doherty, The Peter Doherty Institute for Infection and Immunity

Nobel laureate Peter Doherty explains immunity.

How infectious diseases have shaped our culture, habits and language

Maxine Whittaker, James Cook University

Despite being so small they can't be seen with the naked eye, pathogens that cause human disease have greatly affected the way humans live for centuries.

Four of the most lethal infectious diseases of our time and how we're overcoming them

David Griffin, The Peter Doherty Institute for Infection and Immunity; Justin Denholm, Melbourne Health

Here we explore our past and present struggles with the most significant infectious diseases human beings have faced.

How we change the organisms that infect us

Ian M. Mackay, The University of Queensland; Katherine Arden, The University of Queensland

Humans play host to many little passengers. Right now, you’re incubating, shedding or have already been colonised by viral, bacterial, parasitic or fungal microorganisms - perhaps even all of them.

How we've evolved to fight the bugs that infect us

Simon Reid, The University of Queensland

With so many microbes capable of hijacking and destroying us, how are we, as a species, still enduring?

 

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