Toxoplasmosis about.

 Its infection diseases, which caused a simple unicellular parasite, and sicks as human and animal. And by  source  for infection are sicked home cats, and theirs wild brothers as puma, leopard, as cats infecting by this disease by eating infected rodents, birds, raw meat.As,  on acute disease stage for 1-2 weeks are cats secreting with stool much  toxoplasma quantities, as by dirtying soil, grasses, gardens, playgrounds, with sands. A secreted by sicked cat with stool parasites are not right away staying dangerous for human, but in 2-5 days, as after theirs ripping. And other animals as dogs are not risk for human, as source for infection a toxoplasma. As if they are sicked, they are rare secreting agents in external environment, and its agent not stable, faster dies. And theirs wool by mechanically dirty by toxoplasmas, if human feed cat or touch as not asking hands will catch infection. But a have been sicked those of a not enough fried meat by sicked birds, animals, they are sicked by toxoplasma feeding grass, on which entered agent. A sicked human is a not dangerous for other, he is not  secreting toxoplasmas in external environment, but risk here transferring from mum till embryo, but if women first time infected as on pregnancy time. And in cats, and other home animals displaying with inhibition, appetite bad, diarrhoea, vomiting, thus animals needing in veterinary. And preventing this, you must do these rules:

Good fry, boil meat, good wash berries, fruits , greens, not eat by taste raw meat, force meat, after manufacturing raw meat, meat food good wash hands, as also after working in garden, and for children's after playing, walking as especially in sand, keep sanitary-hygiene rules containing for animals at home, wash hands after contact with them.