Fill in the blankBiologyDeliberate infection of young children with particles of ground smallpox scabs from children who had survived mild cases of smallpox was known as ________.
Deliberate infection of young children with particles of ground smallpox scabs from children who had survived mild cases of smallpox was known as ________.
Deliberate infection of young children with particles of ground smallpox scabs from children who had survived mild cases of smallpox was known as ________.
If the answers is incorrect or not given, you can answer the above question in the comment box. If the answers is incorrect or not given, you can answer the above question in the comment box.