Surface display of ovalbumin epitope fusion protein in bacillus subtilis .
枯草菌表面卵白抗原融合质提。
The vaccine does not need to be kept refrigerated for storage or distribution either , they claim , and it does away with the danger of an anaphylactic shock in people who are allergic to ovalbumin , a protein in chicken eggs that is often present in the shots in very low amounts .