Photo: Griffin-Wooldridge (Unsplash).

The predominant route of SARS-CoV-2 transmission, droplets versus aerosols, is controversial among aerosol scientists and the World Health Organization


Face masks in the middle of a controversy

Photo: ashkan-forouzani-unsplash.

Face masks in the middle of a controversy

Photo: hosein-zanbori-unsplash.

Qué tipo de mascarillas usar, cuántas, durante cuánto tiempo y por qué


Fact: Many masks can be reused, but not all methods work

Note: You must know that, in a normal situation, health authorities recommend to renew the surgical masks approximately every 4 hours and the respirators (N95, FFP2, etc.) every 8 hours. All of them are considered single-use.
The methods described in this article are appropriate for an emergency, like the one we…

Realidad: Muchas mascarillas se pueden reutilizar, pero no todos los métodos valen


They all protect us, but to a very different degree


Todas nos protegen, pero en muy distinto grado.

María I. Tapia

María I. Tapia holds a PhD in Biochemistry and Molecular Biology, with broad experience in basic and applied research.

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