The mummified body of Egyptian Pharaoh Ramses V, also from this same general period of time, shows what are believed to be signs that he died of, or at least was infected by, smallpox.
It is also forbidden to let houses or rooms in which infected persons have been lodging, or to make false statements to persons negotiating for the hire of such rooms. An act was passed in the year 1890, called the Infectious Diseases Prevention Act.
Is said to produce fully developed gonads, and if kept in aquaria with Tubifex, the number of infected worms steadily increases, a fact pointing to the whole cycle being passed through, without the intermediation of a vertebrate host.
Guinea-pigs set free in plague-infected houses become infected with the rat flea and develop plague in a certain percentage.
In addition, images engraved in walls of what appear to be people infected with polio are found in Egypt dating back to at least 1400 BC.
Karl Schwarz happily remarks that, as the English apologists of the 18th century were themselves infected with the poison of the deists whom they end eavoured to refute, so Tholuck absorbed some of the heresies of the rationalists whom he tried to overthrow.
Simpson in his Report on the Causes of the Plague in Hong Kong (1903) reports the endemicity of the plague in that colony to be maintained by (a) infection among rats often connected with infectious material in rat runs or in houses, the virus of which has not been destroyed, (b) retention of infection in houses which are rat-ridden, and (c) infected clothing of people who have been ill or died of plague.
Some persons are naturally absolutely immune (Celli), but this is rare; immunity is also sometimes acquired by infection, but as a rule persons once infected are more predisposed than others.
He contends that the task of his age was to struggle against the Catholic principle which had infected Protestant theology and the church.
There is no method known of curing this disease, and all that can be done is to take every precaution to eradicate it, by pulling up and burning diseased plants, isolating the infected area by means of trenches, and avoiding growing cotton, or an allied plant such as the ochro (Hibiscus esculentus), in the field.