Skip to content

Month: November 2020

Study in Wuhan indicates that asymptomatics may not transmit the virus

A study in Wuhan, based on tests on almost 10 million residents, showed that “there was no evidence of transmission of asymptomatic positive people to close contacts and no asymptomatic

The profile of Covid deaths- Italian reality

In Italy, only 3.3% of the Covid-19 deaths investigated do not show comorbidities (other previous serious pathologies). 65.3% of the deaths had 3 or more comorbidities, 18.6% had two, and

More than half of the Portuguese population is overweight. Obesity is a Covid risk factor

According to the Portuguese Society for the Study of Obesity (SPEO), 34.8 percent of the Portuguese population is pre-obese and more than half the population (57.1 percent) is obese or

First RCT on masks in the face of this pandemic

The first RCT study published on masks in the context of this pandemic found no statistically significant differences regarding the protection of their users. Historical background For decades research has

TRL says health authorities have no power to impose confinement and questions tests reliability

The health authorities do not have ‘the power or the legitimacy to deprive any person of his liberty’, the Lisbon Court of Appeal held that the confinement imposed by the

Masks in the community: Are we following the science?

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

Collateral damages of a lockdown

After the so-called first wave, many countries gave assurances that they would not use lockdowns again as a strategy to combat Covid-19, because of the strong economic and social impact

What is base rate?

The taxi problem (classic example of the base rate fallacy) There are two taxi companies in a city: one is GREEN, the other is BLUE. 85% of taxis are blue

How Long Does Immunity Last After COVID-19?

There are currently four identified coronaviruses in circulation. Knowledge about the re-infection process with these endemic viruses may reveal characteristics common to all human coronaviruses. It is generally assumed that

Is it true that we only use 10% of the brain?

Many people believe that we only use a small part of the brain. In an online survey conducted in the United States, the majority (65%) of the more than 2000

68% of the excess deaths by natural causes were non-Covid

Sixty-eight per cent of excess mortality (MS) due to natural causes in Portugal is associated with non-Covid-19 deaths. According to an analysis made by the National School of Public Health

Pyramid of scientific evidence: why the quality of evidence is important

One of the most important issues in the interpretation of different scientific studies is the degree of evidence that each represents. The pyramid of scientific evidence is an excellent representation
Sign up for our newsletter and receive our Pandemia Covid-19 study for free - Knowledge and perceptions of the Portuguese population