
70%
60%
50%
40%
30%
20%
10%
0%
-10%
-20%
-30%
100%
80%
60%
40%
20%
0%
罗益生物沃森生物欧林生物智飞生物康希诺
201820192020202120222023 201820192020202120222023
图:2价脑膜炎多糖疫苗2018年以来签发批次及增速
图:2价脑膜炎多糖疫苗2018年以来批签发竞争格局 400 350 300 250 200 150 100 50 0
2价多糖yoy
80%
60%
40%
20%
0%
-20%
-40%
-60%
-80%
100%
80%
60%
40%
20%
0%
沃森生物智飞生物中国生物(兰州所)