The outbreak in California is the most closely researched of its kind so far during the pandemic. Analysis reveals the vulnerability of the classroom given the explosive spread of the delta variant of the coronavirus
A lack of maintenance, design errors, poorly executed construction and negligence all dominate the discussion after the accident this week. EL PAÍS analyzes the key factors
EL PAÍS compares the likelihood of developing a blood clot from the Janssen and AstraZeneca injections with the probability of suffering a serious case of the disease, according to each demographic
Constant ventilation and permanent control of CO₂ levels are two of the keys to avoiding transmission in closed rooms, as fresh air dilutes the infected particles
In Spain, the bathrooms of older buildings are connected through communal ducts that allow aerosol exchanges. Although not common, it is suspected that transmission may occur in specific circumstances
Swathes of the Iberian peninsula form part of a ‘hot zone’ for seismic activity due to the increasing proximity of tectonic plates, the impact this has on fault lines and the specific characteristics of the land
Infections are expected to spike over the holiday season, but there are ways to minimize the dangers. Find out what measures should be taken based on who you will be celebrating with and how
The diagnostic tool has become key to curbing transmission in the second wave as it quickly identifies positive cases, meaning they are isolated immediately and do not spread the virus
The health crisis is having an unexpected effect in some urban centers: motorists are losing space while cyclists are gaining it. EL PAÍS has examined how Spanish cities, as well as some in Europe and the Americas, are adapting their cycleways to the new mobility reality
The risk of contagion is highest in indoor spaces but can be reduced by applying all available measures to combat infection via aerosols. Here is an overview of the likelihood of infection in three everyday scenarios, based on the safety measures used and the length of exposure
An office, a restaurant and a bus were the settings for multiple infections that have been studied in detail by health authorities. Their conclusions offer valuable lessons for the deescalation process
The genome of the new coronavirus harbors a short sequence suspected of being the main culprit of its uniquely infectious and aggressive nature
The decree approved by the government on Saturday has immediately locked down the country, limiting the movement of citizens across the entire territory
Work to create a network of cellars in Navalcarnero has raised the ire of the public and the opposition, due to cracks and subsidence above ground