"smallpox"的搜索结果

man was about to be vaccinated against smallpox nigeria

标签: man,was,about,to,be,vaccinated 浏览: 18

laboratorian seated in his laboratory conducting a smallpox related investigation

标签: laboratorian,seated,in,his,lab 浏览: 13

group of local inhabitants receiving smallpox inoculations contonou benin

标签: group,of,local,inhabitants,rec 浏览: 14

group of local children waiting to receive a smallpox inoculation contonou benin

标签: group,of,local,children,waitin 浏览: 14

young nigerian boy in the process of receiving his smallpox vaccination

标签: young,nigerian,boy,in,the,proc 浏览: 18

nigerian man being vaccinated against smallpox

标签: nigerian,man,being,vaccinated, 浏览: 16

captured in niger west africa during the smallpox eradication and measles control program

标签: captured,in,niger,west,africa, 浏览: 18

technician was about to freeze dry the prepared vials of smallpox vaccine using this type of freeze

标签: technician,was,about,to,freeze 浏览: 18

technician in laboratory creating smallpox vaccine

标签: technician,in,laboratory,creat 浏览: 12

technician in laboratory capping multidose vials containing smallpox vaccine

标签: technician,in,laboratory,cappi 浏览: 14

technician in a bangladesh laboratory who was in the process of creating smallpox vaccine

标签: technician,in,a,bangladesh,lab 浏览: 11

sorting through a collection of glass vials which were used to contain smallpox vaccine

标签: sorting,through,a,collection,o 浏览: 14

process of creating smallpox vaccine

标签: process,of,creating,smallpox,v 浏览: 11

smallpox vaccination of a west african child

标签: smallpox,vaccination,of,a,west 浏览: 8

photograph made during smallpox eradication and measles control program in niger w africa

标签: photograph,made,during,smallpo 浏览: 19