Disease = {} --- Disease class ---@param side name string? the name of the disease (string) ---@param side symbtoms_by_stages list? a list of list of symbtom, a list of symbtoms by stage (Symbtom) ---@param side contamination_methods list? a list of contamination method (string) ---@param side transmission_zone_stages list? a list of transmissions zone (int), one number by stage ---@param side stages_duration list? a list of stage duration (int), one number by stage function Disease:new(name, symbtoms_by_stages, contamination_methods, transmission_zone_stages, stages_duration) local instance = {} setmetatable(instance, {__index = Disease}) instance.name = name instance.symbtoms_by_stages = symbtoms_by_stages instance.contamination_methods = contamination_methods instance.transmission_zone_stages = transmission_zone_stages instance.stages_duration = stages_duration return instance end return Disease