Health 104 Weeks
What we know about long covid

Researchers are just beginning to unravel the mystery, but
sex and vaccination history seem to matter›››

Health 105 Weeks
The placebo problem

Pandemic tested ethics in nutritional clinical trials ›››

Health 106 Weeks
Ask the experts: what have we learned from the covid-19 pandemic?

We’re just starting to get a better picture of how it affected the world›››

Health 107 Weeks
Follow the money

Public-sector support was critical in the fight
against the virus, but private groups contributed too›››

Health 108 Weeks
Making this the last pandemic

Large-scale outbreaks like COVID-19 can be prevented›››

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Ask the ethicist

When a life is on the line, the context changes›››

History of the mRNA vaccine

The medical game-changer was decades in the making›››

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