常见传染病的免疫学变化一、病毒感染(一)细胞免疫:在抗病毒感染中细胞免疫居于重要地位。凡细胞免疫有缺陷者易受病毒感染,且受感染后不易恢复;亦有接种弱毒活疫苗后引起全身性病毒感染。同时,病毒感染又可使机体的细胞免疫功能受到抑制。已经证明受到麻疹、风疹、水痘、流行性感冒、流行性腮腺炎、流行性乙型脑 Immunological changes in common infectious diseases First, the virus infection (A) Cellular immunity: Cellular immunity in antiviral infection is in an important position. Those who have defective cellular immunity are susceptible to virus infection and are not easily recovered after infection; systemic virus infection is also caused after the live attenuated vaccine is inoculated. At the same time, the virus infection can make the body’s cellular immune function is inhibited. Measles, rubella, chickenpox, influenza, mumps, epidemic encephalitis