Who needs a vector when you're Mister Toxoplasma ? This obligate intracellular protist is everywhere — resilient oocysts in soil, courtesy of felid faeces, and tissue cysts in almost all type of warm-blooded vertebrate (livestock etc.). "Everywhere" includes 1 in 3 humans. No vector in site. All stages are infectious but infection too often is subclinical or mild flu- or mono-like — host immunity suppressing but … Continue reading Toxoplasmosis