Winter Fever

Winter Fever was a lethal epidemic that moved through the ports of Westeros in the aftermath of the Dance of the Dragons, killing thousands and striking both common people and the ruling elite. Its course joined intimate symptoms to public crisis: a fatal illness spread along maritime routes, defeated the remedies available to maesters, disrupted succession and government, and entered King’s Landing despite efforts to seal the city.

Emergence and Spread

Late in 132 AC, Winter Fever swept across the Three Sisters and killed half the population of Sisterton. Survivors blamed a whaler from the Port of Ibben, rose against the Ibbenese sailors they held responsible, and burned their ships. The account does not establish that the sailors brought the disease; it presents this accusation as the islanders’ belief. The epidemic crossed the Bite to White Harbor, where prayers and medical potions proved equally ineffective. Thousands died, among them Lord Desmond Manderly and his son Ser Medrick, who survived his father by only four days.

By the third day of 133 AC, the fever had reached King’s Landing. Its earlier course through White Harbor, Gulltown, Maidenpool, and Duskendale gave the outbreak a discernible chain of port-to-port movement, while reports said Braavos was also being ravaged. The narrative describes the disease as moving from port to port, but does not identify its origin with certainty. This uncertainty echoes the earlier Shivers epidemic, which maesters believed had arrived from across the sea and which many smallfolk associated with black rats from ships. That earlier accusation, too, remained unproved to the satisfaction of the Citadel. During the Shivers, cats became so sought after that kittens sold for as much as destriers; the episode shows how fear of maritime contagion could reshape ordinary life even when its cause remained unknown.

Symptoms and Remedies

Winter Fever’s first sign was a red flush on the face, easily mistaken for the color brought on by exposure to winter cold. Fever followed, rising over time. By the second day, victims shivered and complained of cold even when their bodies felt burning hot. Delirium and bloody sweats came on the third day. By the fourth, a victim had either died or begun to recover. Only one in four survived.

The available treatments did little. Bleeding, garlic, potions, poultices, and tinctures failed to stop the disease. Maesters found that placing the sick in tubs of snow and icy water seemed to slow the fever’s course, but did not halt it. The contrast between a clearly described progression and the absence of an effective remedy gives the epidemic its historical character: observation could track the illness from day to day, yet offered little power over its outcome. The book compares its scale with the Shivers, the last pestilence of comparable severity, which had ravaged Westeros during the reign of Jaehaerys I Targaryen. The two outbreaks are treated as distinct diseases, but together they reveal the limits of medical knowledge across generations.

King’s Landing and the Failed Quarantine

The first cases in King’s Landing appeared among people working beside the Blackwater Rush: sailors, ferrymen, fishmongers, dockers, stevedores, and sex workers. Before many realized they were ill, the contagion had spread through every part of the city, reaching rich and poor alike. The riverside’s concentration of workers and traffic makes the opening of the outbreak in the capital a continuation of its wider passage through ports, rather than an isolated court illness.

Grand Maester Munkun went to examine the afflicted, seeking to determine whether they had Winter Fever or a less serious sickness. After close contact with about forty feverish people, he feared he might have been exposed and did not return to the castle. He sent an acolyte with an urgent letter to the King’s Hand, Ser Tyland Lannister. Tyland responded by ordering the Gold Cloaks to close the city against entry and departure, and had the great gates of the Red Keep barred to protect the king and court. The measures reveal how quickly an urban outbreak became a problem of public order and royal security. They did not prevent the fever from spreading within the walls: gates could restrict movement, but could not undo the contagion’s passage through the city.

Deaths and Political Consequences

As the fever spread, tens of thousands in King’s Landing became ill, and three-quarters of those sufferers died. Grand Maester Munkun recovered, but Ser Willis Fell, Lord Commander of the Kingsguard, and two of his sworn brothers succumbed. Lord Protector Leowyn Corbray also died, as did his mistress and several servants. Two maids of Queen Jaehaera fell ill and died, although the queen herself remained healthy. The commander of the City Watch died, followed nine days later by his successor. Among the regents, Lord Westerling perished, while Lord Mooton survived, though greatly weakened.

The epidemic also altered the balance of power beyond the capital. Because Ser Medrick Manderly had no children, his death after Lord Desmond’s left the lordship of White Harbor to his brother, Ser Torrhen Manderly. Torrhen then had to leave the council of regents to rule the city, reducing the council from seven members to four. Years later, Manfryd Mooton’s death drew little notice because he had never fully regained his strength after Winter Fever; his passing marked the death of King Aegon III Targaryen’s last original regent. The fever’s effects therefore persisted beyond the immediate count of the dead, weakening survivors and changing who governed.

Alicent Hightower and the Human Toll

Among the dead in King’s Landing was Alicent Hightower, dowager queen, second wife of Viserys I Targaryen, and mother of Aegon II Targaryen, Aemond Targaryen, Daeron Targaryen, and Helaena Targaryen. She died on the same night as Lord Westerling, after confessing her sins to her septa. By then she had outlived all her children and spent the previous year confined to her apartments, with only her septa, serving girls, and guards for company. She wept more than she read or sewed, at one point tore her clothes into pieces, and came to detest the color green. In her final days she seemed more lucid and spoke of wanting to see her children and Jaehaerys I again; she did not mention Viserys.

Her death is one life within a much larger mortality, but its placement shows how the epidemic reached into the private aftermath of civil war as well as the public structures of rule. Across the account, the fever leaves no class untouched: it kills sailors and dockworkers, servants and knights, maesters and lords, while its survivors inherit both grief and altered responsibilities. The description of the outbreak refuses a single explanation or a restorative cure. Instead, it records the route of infection, the failed attempts to contain it, and the political vacancies and lasting weakness left in its wake.