hay docenas de estudios que demuestran que las mascarillas dañan la salud, y no hay ningún estudio que demuestre ni la más remota efectividad contra el peligroso "koronabirus-diez-y-nuebe".. por ejemplo:
Is a Mask That Covers the Mouth and Nose Free from Undesirable Side Effects in Everyday Use and Free of Potential Hazards?
A novel perspective approach to explore pros and cons of face mask in prevention the spread of SARS-CoV-2 and other pathogens
A cluster randomised trial of cloth masks compared with medical masks in healthcare workers | BMJ Open
Effects of surgical and FFP2/N95 face masks on cardiopulmonary exercise capacity
Contamination by respiratory viruses on outer surface of medical masks used by hospital healthcare workers
Symptoms Associated With Personal Protective Equipment Among Frontline Health Care Professionals During the COVID-19 Pandemic
Adverse Effects of Prolonged Mask Use among Healthcare Professionals during COVID-19
Is N95 face mask linked to dizziness and headache?
pero no se podía "de saber"..
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