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?

COVID-19: Those who “would have died anyway”. How much is a human life worth?

Discussions about the reasonable number of deaths in a pandemic, about whether or not the price for saving people is killing the economy and, ultimately, debates on a life’s value were brought to the fore by the COVID-19 pandemic.

Life after lockdown: a return to the rat race?

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

COVID-19: Excerpt from a diary on the Great Britain front

Noemina is a graduate of the University of Hertfordshire, UK, where she majored in health care. She is working in her field as of 2012. The journal excerpt she sent to us reflects her week-long experience at the epicentre of the battle with the new coronavirus in the intensive care unit, where serious cases are admitted.

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.

”The coronavirus has been anything but a great equalizer.” The impact of COVID-19 on the world’s poor

A famine of biblical scale is already looming on the horizon, says David Beasley, director of the World Food Program. More than 30 developing countries could be affected by the scourge – 1 million people are already affected. It's not just people going to bed hungry, Beasley insists, explaining that it's a state of emergency where outside help is the only hope.

The fragility of the good news about COVID-19 mortality

The mortality rate of COVID-19 remains high, but not as high as its transmission rate, and this good news needs nuances and explanations.

COVID-19 after vaccination: How much does vaccination protect us?

Why can vaccinated people still get COVID-19 or even die from the disease?

COVID-19: A hundred remedies for solitude

I open the window and breathe in the air, trying to guess the weather. Floating around, mixed, are scents and miasms alike; it's hard to decipher these intricate clues.

COVID-19: Hope overcomes the fear of the unknown

In the spring of 1936, the members of the Lykov family made a decision that would change their lives forever: they disappeared into the Siberian taiga, completely isolating themselves from the world for the next 40 years.

COVID-19: Let’s not go back to normal

Let’s not go back to the abnormality of before! This is one of the messages which the French hung from their balconies on May 1, when the activities that would usually happen on this national public holiday could not take place. What can we change and what is worth changing after COVID-19?

COVID-19: Second thoughts on Doomsday

Although they are constantly improving their preparedness for crises and disasters, modern societies find themselves powerless in the face of a growing threat: transnational crises.

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.

COVID-19: Why and how do masks, gloves and other protective equipment help?

I leave the house with gloves and a mask on. When I return, I clean my shoe soles and I wash my gloves with disinfectant. Then I take off my clothes, place them somewhere outside, take off my gloves and mask and wash my hands. Is this normal? Or am I a germophobe?

COVID-19: Hope ordinances and a divine governance

Fines, military ordinances, police and army patrolling the streets – this is the reality we have suddenly found ourselves living in. It is a tightening reality, a rigid corset-like structure of rules.