as_pop_data()
Error in set_value():
! No similar column name was detected.
Run rlang::last_trace() to see where the error occurred.
Warning messages:
1: Unknown or uninitialised column: antigen_iso.
2: The specified age column "Age" does not exist.
3: Multiple potential matches found: Village and age.at.the.visit
4: Using first match: Village
5: The specified value column "result" does not exist.