How lethal is COVID-19, and other (un)answered questions

There have now been over 12 million cases of COVID-19 infection globally, and half a million deaths. Researchers are constantly looking for new and better information to reduce the uncertainty around the virus.

Spanish flu to COVID-19: Lessons from a forgotten pandemic

The Spanish flu filled graves in almost every cemetery in the world. However, surprisingly, this tragedy had largely been forgotten until recently. A century later, the issue returned to the centre of attention, with specialists wondering if they can identify a pattern in the evolution of the COVID-19 health crisis based on the pandemic from a century ago.

The risks of mRNA vaccines in the COVID-19 era: How we know they don’t alter our DNA

Risks of mRNA vaccines in the COVID-19 era: How we know they don't alter our DNA.

COVID-19: Inequality and the pandemic

When confronted with the pandemic, we are anything but equals.

Immunization against COVID-19: How often should the vaccine be repeated?

How long does the protection provided by the vaccine last? Should I have a booster shot after a while, or not?

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 complications, during and after the disease

It will soon be two years since the virus known as COVID-19 started to roam around the world. The sad toll of this disease—over 5 million victims worldwide—is still incomplete, because we are far from seeing an end to the pandemic. It has been the largest public health crisis in the last century.

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: Crisis prayer

A major crisis pushes us to re-evaluate the way we see and do things in the fields of health, finance, and social interaction. But how does this crisis affect our religious practices—especially the most common of these, prayer?

COVID-19 mRNA vaccines

What are mRNA vaccines? How do they work?

Evidence-based medicine: How to set a foundation for trusting the doctors

How can I be sure that the recommendations I receive after a medical consultation are correct? In the article below, we discuss evidence-based medicine.

Life after COVID-19: What will the new normal be?

Many certainties and convictions will be swept away. Many things that we thought were impossible are happening. The day after we have won, it will not be a return to the day before; we will be stronger morally.

Hope in the storm

This coronavirus crisis has, for me, some perplexing parallels with a well-known incident narrated in the Gospel of Matthew (14:22-33). The disciples are confined in a little boat in the middle of a terrible storm, almost as we are confined at home today by the emergency laws of our countries.

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...