character: Edward Jenner
topic: Pioneering vaccination techniques
grade: 9
subject: Science
LearnActions
SearchCreate
character: Louis Pasteur
topic: Advancements in microbiology and vaccination
grade: 9
subject: Science
LearnActions
SearchCreate
character: Jonas Salk
topic: Development of the polio vaccine
grade: 9
subject: Science
LearnActions
SearchCreate
character: Robert Koch
topic: Contributions to germ theory and infectious diseases
grade: 9
subject: Science
LearnActions
SearchCreate