Pasteur Institute scientist announces discovery of parasitic ultramicrobe foe of disease-producing bacteria By Science News Magazine Issue: Vol. No. 32, November 7, 1921 Share this:Share Share via email (Opens in new window) Email Share on Facebook (Opens in new window) Facebook Share on Reddit (Opens in new window) Reddit Share on X (Opens in new window) X Print (Opens in new window) Print Having trouble viewing this? Open in a new window