the disease in question is highly transmissible; in addition to direct and indirect transmission, there may also be possibilities of airborne, waterborne or vector–borne spread.
is galar a tharchuirtear go han-éasca é an galar i dtrácht; de bhreis ar tharchur díreach agus indíreach, d'fhéadfaí freisin go scaipfí san aer, san uisce nó trí veicteoirí é.