ú Male farmer residing in area of high concentration of MeN cases for at least 20 years.
ú 30+ years regular work in agriculture in similar conditions as farmers who have suffered MeN.
ú Absence of MeN diagnosis or MeN-controlled/in remission living in the community.
ú Willingness to participate in research.
ú Able to provide informed consent.
ú Male farmer residing in area of low concentration of MeN cases.
ú Farmer involved in agriculture only on an occasional basis, with limited exposure to MeN-related risks.
ú Hospital-based, MeN-affected farmer or farmer not being medically monitored.
ú Declines participation in research.
ú Unable to provide informed consent.