疫苗到底是什么？打疫苗要注意那些问题？还有时间间隔是多久？
{!-- PGC_VIDEO:{"thumb_height": 360, "file_sign": "e113858854c8a4d2c89f84cde3cc6b88", "vname": "", "vid": "695b537664624d8b97112a5b04aa8fe7", "thumb_width": 640, "vu": "695b537664624d8b97112a5b04aa8fe7", "src_thumb_uri": "6b0d0010469047b93929", "sp": "toutiao", "update_thumb_type": 1, "vposter": "http://p0.pstatp.com/origin/6b0d0010469047b93929", "video_size": {"high": {"duration": 9.72, "h": 480, "subjective_score": 0, "w": 854, "file_size": 263960}, "ultra": {"duration": 9.72, "h": 720, "subjective_score": 0, "w": 1280, "file_size": 604903}, "normal": {"duration": 9.72, "h": 360, "subjective_score": 0, "w": 640, "file_size": 191638}}, "duration": 9.72, "thumb_url": "6b0d0010469047b93929", "md5": "e113858854c8a4d2c89f84cde3cc6b88"} --}
阿峰:宠物医生 宠物训犬师
有关养宠的问题可以关注我哦
万妈也希望可以帮助更多养宠人了解更多的宠物相关知识，科学养宠，相伴一生。
{!-- PGC_VIDEO:{"thumb_height": 358, "thumb_url": "666c00002f22afadabd1", "vname": "", "vid": "fccb6e9cda2744d9b36213633c8e339b", "thumb_width": 640, "src_thumb_uri": "6325000db39269c7a6d0", "sp": "toutiao", "update_thumb_type": 1, "vposter": "http://p0.pstatp.com/origin/666c00002f22afadabd1", "video_size": {"high": {"duration": 156.72, "h": 478, "subjective_score": 0, "w": 854, "file_size": 2923288}, "ultra": {"duration": 156.72, "h": 480, "subjective_score": 0, "w": 856, "file_size": 3414292}, "normal": {"duration": 156.72, "h": 358, "subjective_score": 0, "w": 640, "file_size": 2288678}}, "md5": "f8b98b2f40e45c6d2195d9b840046a4e", "duration": 156.72, "file_sign": "f8b98b2f40e45c6d2195d9b840046a4e", "thumb_uri": "666c00002f22afadabd1", "vu": "fccb6e9cda2744d9b36213633c8e339b"} --}