The predominant route of SARS-CoV-2 transmission, droplets versus aerosols, is controversial among aerosol scientists and the World Health Organization
On 11 March 2020, the World Health Organization (WHO) declared the illness caused by the novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) a pandemic. More than a year after, WHO and many scientists (aerosol experts) still disagree on the primary mode of transmission of this new disease, COVID-19 (coronavirus…
Face masks in the middle of a controversy
It might be that the WHO’s reluctance to recognize aerosols as the predominant form of transmission of COVID-19 is not only grounded on scientific evidence but also on the market availability of the different protection measures. In other words, fear of a worldwide shortage of respirators may be delaying WHO…
Face masks in the middle of a controversy
A key question in the coronavirus disease 2019 pandemic has been whether SARS-CoV-2 could be transmitted via the airborne route. The answer is clear: yes, it can. …
Qué tipo de mascarillas usar, cuántas, durante cuánto tiempo y por qué
Al anunciar que iba a escribir sobre las mascarillas, he recibido este mensaje:
«Lo que queda claro es que cada día lo tenemos menos claro y generáis más confusión entre la ciudadanía».
Es verdad que desde el comienzo de la pandemia hemos oído y leído consejos contradictorios, cambiantes e inadecuados…
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
Nota 1: los métodos descritos en este artículo son oportunos para una situación de emergencia, como la que estamos viviendo, en la que no hay suficientes mascarillas para todos. Hay que saber que, en una situación normal, se recomienda renovar la mascarilla quirúrgica aproximadamente cada 4 horas, y las FFP…
They all protect us, but to a very different degree
If we want to know which masks are the best to protect ourselves, we have to consider a key point: much of the transmission of this new virus, SARS-CoV-2, occurs through aerosols. …
Todas nos protegen, pero en muy distinto grado.
Si queremos saber qué mascarillas son mejores para protegernos, tenemos que tener en cuenta algo fundamental: gran parte de la transmisión de este nuevo virus, SARS-CoV-2, se produce a través de aerosoles. …
