Brucellosis can be transmitted by all EXCEPT

i.e. Person to person transmission * Brucellosis is a zoonotic disease (diseases that are transmitted from animals to man, under natural conditions)* It is caused by gram negative bacteria.* Its major reservoirs are infected cattle, sheep, goats, swine, buffaloes, horses and dogs.* The disease is transmitted from infected animals to man through 3 routes.a) Contact infection (most common route)- infection occurs by direct contact with infected tissues, blood, urine, vaginal discharge, aborted fetuses and placenta.- infection occurs through abraded skin, mucosa or conjunctiva.b) Food-borne infection- infection occurs by ingestion of raw milk or dairy products (cheese) from infected animals,- by ingestion of raw vegetables infected directly or indirectly from animals,- by ingestion of contaminated water.c) Air-borne infection- infection occurs by inhalation of infected dust or aerosols."There is no evidence of transmission from man to man."