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. 2021 Dec 25;19(1):220. doi: 10.3390/ijerph19010220

Figure 9.

Figure 9

Specific volume flow depending on the number of emitted, particles and the viral load to limit the number of newly infected persons to one; N0 = 67 viral copies, fM = 1, Qb,in = Qb,e = 0.54 m3/h.