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Category: Opinion

What is the role of asymptomatic transmission? History and evidence

5 de Março, 2021 / Nuno Machado / ,
One of the questions that arose in this pandemic was the possibility that individuals without symptoms could be major transmitters of the disease. This hypothesis is now perceived as a

Correlation and Causality: More than meets the eye

5 de Fevereiro, 2021 / Nuno Machado / ,
Our evolution has manifested itself largely in our ability to find patterns and trends with very little information. On the one hand, it has allowed us to develop ways of

Censorship in times of pandemic

31 de Dezembro, 2020 / Nuno Machado /
The limitation of freedom of expression in terms of a pandemic merits particular reflection as it goes far beyond ideological motivations. The main social networks and much of the media

Freedom of expression and new forms of censorship

11 de Dezembro, 2020 / Nuno Machado /
The truth, when it exists in absolute terms, rarely corresponds to the most popular view, of a group or, even, of a single person. Reality is too complex and difficult

A brief overview of the pandemic

11 de Dezembro, 2020 / Nuno Machado /
On 3 March this year the WHO revealed the characteristics of this new virus detected in China.  It would have a lethality rate of 3.4% which was the result of

Masks in the community: Are we following the science?

17 de Novembro, 2020 / Nuno Machado / , ,
The usefulness of masks in the prevention of respiratory diseases is something very intuitive. If we want to prevent any agent from infecting us, putting something in front of our
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