concept   exposure to infectious diseases
culture   pre-vaccination era
statement   In the pre-vaccination era, there were differences in the risk of exposure to infectious diseases due to vaccination advancements.
2 similar statements
# Concept Culture Statement Freq.
1 exposure to infectious diseases pre-vaccination era Higher risk of exposure to various infectious diseases 1
2 exposure to infectious diseases pre-vaccination era Lower risk of exposure to certain infectious diseases due to vaccination 1