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The rings capture microscopic liquid droplets called aerosols from a sneeze and transport them to the edges of the shield. But if the shield wearer happens to breathe in while a person close by sneezes, then he or she would inhale those aerosols. Therefore, face shields offer no protection against the coronavirus if an infected person, who does not have a mask on, sneezes. Face shields ineffective at preventing infection In their study, researchers from Fukuoka University in Japan looked at what happens to the airflow around someone wearing a face shield when a person standing one meter in front of them sneezes. The team used a computer-generated model to simulate this situation.

Makoto tsubokuraFujio akagiKobe universityBiosystems dynamics researchFukuoka universityNatural newsகோபி பல்கலைக்கழகம்உயிர் அமைப்புகள் இயக்கவியல் ஆராய்ச்சிஃப்யூகூவோகா பல்கலைக்கழகம்இயற்கை செய்தி