The first line of defence: Proven efficacy of wearing a mask in preventing SARS-CoV-2 infection

How important is wearing a mask for preventing SARS-CoV-2 infection? We must say, at the outset, that wearing a mask remains important in preventing SARS-CoV-2 infection, especially because the "delta plus" variant has a high potential for contagion.

Taking our fears to God

What feeds our fear in times of crisis, such as this pandemic we are in? How can we avoid letting fear paralyze our search for information and our ability to make the right decisions?

COVID-19: How do you recognise a conspiracy theory in a pandemic?

The Colorado beetle that threatened the potato crop of the former GDR in 1950 might have been an American method of sabotage against the Eastern bloc. A sinister German plot might have been the cause of the Spanish flu. Perhaps AIDS emerged as a biological weapon developed by the United States and has been tested on prisoners and minorities. Every crisis humanity has...

COVID-19 vaccines safety: Does it take decades to get the answer?

Do we need to wait for the results of longitudinal scientific studies, extending to decades, to know if vaccines are safe?

COVID-19: Social distancing and the new ways to love amidst the pandemic

The epidemiologist Marc Lipsitch thinks that social distancing will have to continue, in one way or another, hopefully in milder forms and in correlation with other activities. Lipsitch is the author of a study suggesting that social distancing may be necessary, possibly intermittently, until 2022.

How you can get your sense of smell back after a cold

A recent study showed how we can fully restore our olfactory sense after a cold, during which nasal constriction prevents us from smelling even the most intense smells.

An impossible inventory of the most widespread fake news about COVID-19

The epidemic of false information in this worldwide pandemic is even more infectious than the virus itself. Fortunately, there is a vaccine for this epidemic of fake news: quality information and information filters. However, not everyone has been vaccinated. Here is an immunization effort.

COVID-19: A sad opportunity for the homeless

The prevailing message in the context of the pandemic was clear, but also disturbing: "Don't go out! Stay home! Work from home!" But what about those who do not have a home?

COVID-19: How does anxiety affect us?

A global crisis situation, such as that generated by the current pandemic, is a complex picture with many variables bringing high levels of emotional distress. During a pandemic, many people will face a wide range of reactions and emotions, and the psychological impact will often be greater than the medical one.

COVID-19: Recurrent revelations

Any large-scale phenomenon, such as a pandemic, activates our instinct to preserve our state of being—especially when we feel like we are losing it.

Life after lockdown: a return to the rat race?

On any given day, a typical person checks the clock several dozen times.

COVID-19: How to stay efficient at work when your kids are near

How can one be efficient with your tasks when you no longer have an office of your own? How can one divide themselves between children, household chores and deadlines? How can one excel in their job without losing their mind or at least their patience? These are questions I had to face during the pandemic, even if working from home, around children, is...

COVID-19: Beyond coincidence and bad luck: causes of animal to human virus transmission

In the midst of the COVID-19 pandemic, there are specialists who are not surprised by this crisis, and believe that in the future we could be facing other pandemics if we fail to fix the mistakes that led to an increase of animal to human pathogen transmission.

Are COVID-19 vaccines safe? What guarantees the absence of compromise?

How was it possible to produce a vaccine against COVID-19 in less than a year, and what guarantees are there that there were no compromises in the process? What can we say about the COVID-19 vaccine's safety?

COVID-19: Life in the shadow of death

I am not an expert on the phenomenon of death. But like all of us, I have to live in its shadow, and watch the restlessness and greed it causes. The same gloomy reports that circle the planet also reach me. I feel especially conscious of this as COVID-19 claims its first victims in my country.