Its approach was insidious and scarce perceived, with no immoderate heat or sharp thirst, but producing at length great debility and languishing, loss of appetite and loathing. Within eight days there were brain symptoms—heavy vertigo, tingling of the ears, often great tumult and perturbation of the brain. Instead of phrensy, there might be deep stupidity or insensibility; children lay sometimes a whole month without taking any notice of the bystanders, and with an involuntary flux of their excrements; or there might be frequent delirium, and constantly absurd and incongruous chimaeras in their sleep. But in men a fury, and often-times deadly phrensy, did succeed. If, however, neither stupidity nor great distraction did fall upon them, swimmings in the head, convulsive movements, with convulsions of the members and leaping up of the tendons did grievously infest them. In almost all, there were loose and stinking motions, now yellow, now thin and serous; vomiting was unusual; the urine deep red. The sufferers in this prolonged sickness wasted to a skeleton, with no great heat or evacuations to account for the wasting. Some, at the end of the disease, had a severe catarrh. In others, with little infection of the head, soon after the beginning of the fever a cruel cough and a stinking spittle, with a consumptive disposition, grew upon them, and seemed to throw them suddenly into a phthisis, from which, however, they recovered often beyond hope. In some there were swellings of the glands near the hinder part of the neck, which ripened and broke, and gave out a thin stinking ictor for a long time. “I have also seen watery pustules excited in other parts of the body, which passed into hollow ulcers, and hardly curable. Sometimes little spots and petechiales appeared here and there.” But none of the spots were broad and livid, nor were there many malignant spots.
Willis then gives several cases clinically, in his usual manner. The first is of a strong and lively young man, who was sick above two months and seemed near death, but began to mend and took six weeks to recover, sweating every night or every other night of his convalescent period. The second case, aged twelve, was restored to health in a month. Numbers three and four were children of a nobleman, who both died, the convulsive type being strongly marked; one of the two was examined after death, and found to have several sections of the small intestine telescoped, but all the abdominal viscera free from disease[8], the lungs engorged, the vessels of the brain full, much water in the sub-arachnoid space, and more than half a pint in the lateral ventricles.
In farther illustration of this type of fever, epidemic in 1661, Willis goes back to his notes of a sporadic outbreak of what he thinks was the same disease in a certain family at Oxford in the winter of 1653-4[9]: “yea I remember that sometime past very many laboured with such a fever.” In the family in question, five children took the fever one after another during a space of four months, two of the cases proving fatal; the domestics also took it, and some strangers who came in to help them, “the evil being propagated by contagion.” The cases in the children are fully recorded[10], the following being some of the symptoms:
In case 1, aged seven, the illness began at the end of December, 1653 (or 1655): there were contractions of the wrist tendons, red spots like fleabites on his neck and other parts, drowsiness, and involuntary passage of the excrements. At the end of a fortnight, a flux set in and lasted for four days; next, after that, a whitish crust or scurf, as it were chalky, began to spread over the whole cavity of his mouth and throat, which being often in a day wiped away, presently broke forth anew. He mended a little, but had paralysis of his throat and pharynx, was reduced to a living skeleton, but at length got well.
Case 2, a brother, aged nine, had frequent loose and highly putrid motions on the eleventh day; and next day, the flux having ceased, the most severe colic, so that he lay crying out day and night, his belly swollen and hard as a drum, until, on the 24th day, he died in an agony of convulsions.
Case 3, a brother, aged 11, was taken with similar symptoms on the 13th February, and died on the 13th day.
Case 4, a sister, was taken ill in March, with less marked symptoms, and recovered slowly, having had no manifest crisis.
Case 5, a boy of the same family, and the youngest, fell ill about the same time as No. 4, and after the like manner, “who yet, a looseness arising naturally of itself, for many days voiding choleric and greenish stuff, was easily cured.”
Then comes a general reference to the domestics and visitors, who fell sick of the same and all recovered.
The prolonged series of cases in the household of this “venerable man” appears to have made a great impression upon Willis, as something new in his experience, as well as in the experience of several other physicians who gave their services. That it was malignant he considers proved “ex contagio, pernicie, macularum pulicularum apparentia, multisque aliis indiciis.” He adds that he had seen the same disease sporadically at other times; and again “I remember that formerly several laboured under such a fever.” Those cases were all previous to the general prevalence of the fever which he identifies with them in the summer of 1661, under the name of a “fever of the brain and spinal cord.”