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. 2005 Dec 1;133(1):112–115. doi: 10.1016/j.jviromet.2005.10.027

Table 5.

Temperature sensitivity test of lyophilized anti-SARS coronavirus IgY

	ELISA OD values at 405 nm
	1 month	2 months	3 months	4 months	5 months
−20 °C	0.397	0.347	0.355	0.194	0.222
4 °C	0.393	0.359	0.371	0.195	0.227
Room temperature	0.383	0.369	0.373	0.230	0.228
Negative control	0.068	0.067	0.069	0.062	0.062
SARS-positive serum^a	0.375	0.300	0.354	0.302	0.207
SPF chicken serum	0.090	0.082	0.080	0.094	0.090

^a

The SARS-positive serum was from the diagnostic kit provided by the Chinese Academy of Military Medical Sciences.