varicella vaccine live attenuated for children

  varicella vaccine live Product description The results of a survey show that the natural infection rate of VZV -IgG in children before Xueling in Baoshan District is very low. Within 6 months, there was partial maternal immunity in infants, and about half of infants were positive for anti-V2V- IgG. After 7 months, maternal immunity disappeared. The positive rate of anti-V2V- IgG in children aged 1~7 years old is only 2.00% ~40.00%, which is close to the survey results in Luwan District of Shanghai. It is necessary to vaccinate preschool children with short water vaccine. The susceptibility rate of V2V-lgG in children aged 1-4 years is over 80%. In order to improve the immune prevention effect, it is best to complete varicella vaccination before the age of 4. jjdiieialdfijefhioadhnihfueh928y3hrto vaccinate preschool childrenaternal immunity in infants, and about half of ive for anti-V2V- IgG. Afterefwefjioecjioewneiojfejiajaifdheopuadcahisczhoejwiodfaoijsdjienosdfjiljufrewbkljh…

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