TABLE 2.

Thermostability of TMEV^a

Virus	PFU/ml		% Viability
	0°C	42°C
GDVII	8.1 × 105	7.8 × 105	96.3
pDA	1.5 × 106	1.3 × 105	8.7
T81V	3.7 × 106	2.8 × 105	7.6
T81W	3.9 × 106	6.9 × 105	17.7
T81D	1.7 × 106	1.6 × 106	94.1
V91T	1.9 × 106	1.6 × 105	8.4

^aViruses were incubated at 0 or 42°C for 5 min and plaqued on BHK-21 cell monolayers.