[ad_1]
According to statements made to public television station NHK by Yoshihiro Kawaoka of the Institute of Medical Sciences at the University of Tokyo, no other similar experiments have been carried out in the past to use real viruses.
The experiment was conducted using a SARS-CoV-2 virus infection simulator consisting of two mannequin heads placed in front of a display case. In one case, an aerosol was used to spread the virus and, in the other, a fan that mimicked human respiration.
The recipient, who was protected with a cloth mask, had a reduction of between 20 and 40% in the absorption of the virus and between 47 and 50% in the case of the usual surgical mask.
In contrast, with a properly donned N95 mask, the reduction was between 79-90%.
When the transmitter used a disposable drape or a surgical mask, the reduction in contagion to the receiver was greater than 70% in both cases, compared to the correctly fitted N95 mask, which received almost 100% protection.
