All of the options provided are correctly matched to their vaccine. Therefore, none of them is incorrect.
The influenza vaccine is typically made from inactivated or weakened influenza viruses that are grown in embryonated eggs.
The pneumococcal vaccine is typically made from capsular polysaccharides from various strains of Streptococcus pneumoniae, the bacterium that can cause pneumonia and other infections.
The whooping cough vaccine, also known as the pertussis vaccine, is made from inactivated or partially inactivated heat-killed bacteria.
The diphtheria vaccine is typically made from diphtheria toxoid, which is a modified form of the toxin produced by the bacterium Corynebacterium diphtheriae that causes diphtheria.