Los autores recuerdan la relevancia del suelo para la biodiversidad, ya que la generación de tan solo 3 milímetros de nuevo suelo superficial requiere un siglo

Manel Juan, head of Immunology at the Hospital Clínic of Barcelona, considers that immunization against the coronavirus is durable and that there may be an immune population due to exposure to other viruses.

The political use of epidemiological models lacks a scientific basis