At least 160 primary school teachers are being trained as Social Guardians to deliver preventative education programme.
Bio-photonic relates to preventative application, or physiological deterioration using light.
Antonyms
Streptomyces griseoviridis and Trichoderma harzianum are microbiological fungicides that are registered only for preventative treatment of seedlings.
More resources for drug education and a preventative initiative would help a lot.