1906 RICKETTS, Howard Taylor (1871 – 1910)

The transmission of Rocky Mountain spotted fever by the bite of the wood-tick (Dermacentor occidentalis).

Ricketts (who himself died of typhus) demonstrated that the wood tick Dermacentor andersoni is a vector of Rocky Mountain spotted fever.

GMN 5378 · https://historyofmedicine.com/id/7054

1909 RICKETTS, Howard Taylor (1871 – 1910)

A micro-organism which apparently has a specific relationship to Rocky Mountain spotted fever. A preliminary report.

Description of the causal organism, in blood smears.

GMN 5379 · https://historyofmedicine.com/id/7059

1910 RICKETTS, Howard Taylor (1871 – 1910); WILDER, Russell Morse (1885 – 1959)

The relation of typhus fever (tabardillo) to Rocky Mountain spotted fever.

Ricketts and Wilder differentiated Rocky Mountain spotted fever and typhus.

GMN 5380 · https://historyofmedicine.com/id/7064

1919 WOLBACH, Simeon Burt (1880 – 1954)

Studies on Rocky Mountain spotted fever.

In his important aetiological and pathological studies of Rocky Mountain spotted fever, Wolbach mentioned the causal agent Dermacentroxenus rickettsi.

GMN 5391 · https://historyofmedicine.com/id/7147