Table 3. Inactivation of airborne IAVs at 20–24.5°C over 1 h.

T (min)	Viability (St) at different RHsa
	20–22%	34–36%	50–51%	64–65%	81%
0.017 (1 s)	0.75	0.86	0.84	0.77	0.67
5	0.77	0.93	0.62	0.45	0.55
30	0.65	0.58	0.49	0.29	0.22
60	0.64	0.59	0.29	0.15	0.13

^aExperimental data from Harper [12].

^bAverage RH.

^c k = slope of ln(S_t) versus t.

^dIntercept of the plot of ln(S_t) versus t.

^e r ² of the plot of ln(S_t) versus t.