液体疫苗 meaning in English

aqueous vaccine

Now , studies on immunogenicity of hp vaccine mainly focus on oral administration with liquid or microparticles . whereas the vaccine solution administrated orally would be digested and decomposed by the low ph and pepsin . though microparticle is a popular form , it has a series of significant problems such as low encapsulation rate and possibility of antigen denaturation as a consequence of expose to organic solvents and high temperature
目前，国内外对幽门螺杆菌疫苗的研究仅局限在口服免疫，剂型以溶液或微球为主，众所周知，液体疫苗口服后易受到胃内低ph及胃蛋白酶的破坏;微球虽然是疫苗载体研究的热点，但在制备过程中应用的有机溶剂及高温操作会破坏疫苗的完整性，降低免疫效果