We're measuring how many viruses and bacteria all of us are breathing in and out every day, particularly on airplanes or closed auditoriums.
我们正在测算每天我们的呼吸中,究竟有多少的病毒和细菌在穿梭来回,特别是在飞机或封闭的礼堂环境中。
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The problem is that the molecules antibodies recognise and react to are the big ones, such as proteins, that are characteristic ofbacteria, viruses and other infectious agents.