1852 – 1919
1 entries in the GMN corpus.
1897
#5128
Ogata considered the flea (principally Xenopsylla cheopis) to be the principal, if not the sole, vector of bubonic plague infection.
Garrison-Morton-Norman
1 entry · Printed September 1, 2026
1897 OGATA, Masanori (1852 – 1919)
Ueber die Pestepidemie in Formosa.
GMN 5128 · https://historyofmedicine.com/id/6130