Smallpox was introduced to Spain and Portugal as early as 710 AD during Arab conquests, becoming endemic in southern Europe by the 8th–10th centuries. It spread further during the Crusades (11th–12th centuries), with repeated importations into regions like Germany and France. By the 15th century, it was a common childhood disease in parts of Europe, including Paris. Arab medical texts from the 8th–10th centuries, such as those by physicians like Al-Razi (Rhazes, 865–925 AD), provide some of the earliest detailed descriptions of smallpox, distinguishing it from measles and describing its symptoms (fever, pustules) and treatments. Al-Razi's Kitab al-Judari wa al-Hasbah (Book on Smallpox and Measles) is a landmark text, written in Baghdad, that confirms smallpox's presence in the Islamic world by the 9th century.
While the disease's origins are prehistoric — genetic studies suggest the virus emerged 3,000–4,000 years ago from an ancestral rodent virus — the first definitive traces appear in ancient civilisations including Ancient Egypt, where mummified remains show characteristic pockmarks and skin lesions consistent with the disease. This includes mummies from the 18th Dynasty (circa 1580–1350 BCE), with pustule-like scars on the skin.
This mutated Variola is a human-specific pathogen divergent from an orthopoxvirus, like camelpox or taterapox, and in losing its ability to make zoonotic jumps — such as from infected rodents like monkeypox, which actively circulates in rodent populations and causes sporadic human outbreaks — it became simultaneously more lethal to humans and less able to escape them. The specialisation that made it so deadly was also the condition of its eventual eradication: a virus that can only live in humans can, in principle, be eliminated by vaccinating all humans.
Shitala Satam — the annual festival of Shitala · Gujarat and Bengal
Hindu myth-history sheds enough light on the disease's origin with the tales of the Goddess Shitala (also spelled Sheetala or Sitala, meaning "The Cool One"). She features prominently in Hindu mythology and regional folklore, particularly in North India, Bengal, and parts of South India where she's revered as a protector against diseases like smallpox, fever, and skin ailments. As an incarnation of Parvati (the consort of Shiva), she embodies a dual role: both inflicting and healing illnesses, often as a strict yet compassionate mother figure. Her myths blend Vedic traditions with folk tales, emphasizing themes of devotion, humility, and the balance between destruction and restoration as is annually celebrated at Shitala Saptami festival.
A goddess who both inflicts and heals the same disease is not a contradiction. It is an accurate description of how immunity works — the same pathogen that kills also, in surviving, protects. The ancient mind encoded this as theology. The modern mind calls it immunology.
Shitala was the divine healer who acted on outbreaks. Brahma is said to have fashioned Shitala from the cool essence of the cosmic waters to bring relief. Emergent and serene with her golden-complexion she sits upon a lotus while riding a humble donkey (symbolizing her grounded, unpretentious nature). She wielded a broom to sweep away impurities and a fan to soothe fevered brows.
Armed with cooling powers, Shitala descended to earth, touching the afflicted with her gentle hands to draw out the heat of illness, turning pustules into harmless scars. However, her benevolence came with a warning: those who disrespected her in neglecting hygiene would face her wrath in the form of renewed outbreaks. This myth is rooted in broader Puranic lore, and another tale links Shitala to the epic churning of the milk ocean, a cosmic event where gods and demons collaborated to extract the nectar of immortality. When the churning produced both treasures and poisons, one of the emergent deities was Shitala, born from the frothy waves as a counter to the deadly toxins released. Clad in simple red or yellow robes, Shitala carried a pot of healing nectar, ready to quench the fires of affliction, while allied with other protective goddesses like Mariamman to shield mortals from chaos.
The Folk Tales of Bengal & GujaratA beloved folk story from Bengal and Gujarat, often shared during Randhan Chhath (the eve of her worship), illustrates Shitala's temper and mercy: in a humble village, a young bride, exhausted from household chores, forgot to extinguish the cooking embers before retiring — unaware that Shitala, who visits homes on this night to bless the stoves, abhors unnecessary heat as it mirrors the fever she fights. The goddess, disguised as a weary traveler, entered the home and was scorched by the glowing coals, cursing the family with a raging fever that struck the bride's infant son.
The mother-in-law, wise in lore, recognized the affliction as Shitala's trial and instructed the bride to seek forgiveness. Carrying her sick child in a basket, the bride wandered the countryside, fasting and chanting prayers, until she encountered Shitala bathing in a cool pond. Humbled, the bride offered her a sari and apologized, vowing eternal devotion. Moved by the sincerity, Shitala cooled the child's brow, banishing the fever and granting the family prosperity.
This parable warns against carelessness but celebrates redemption, and devotees cool their stoves on her eve to invite her blessings.
The cooling of the stove on Randhan Chhath is public health instruction in mythological form. Smallpox spreads through respiratory droplets and direct contact — it does not spread through heat or fire. But the behavioural requirements for containing an outbreak are precisely those the Shitala tradition enforces: the cooling of communal gathering spaces, the cessation of unnecessary activity (cooking fires being the primary social gathering point), and — encoded in the bride's wandering penance — the isolation of the infected household from communal life. The goddess's abhorrence of unnecessary heat is the mythological expression of a pragmatic epidemiological principle: reduce the density of communal contact during an outbreak.
A deity who both sends the fever and removes it when propitiated correctly is a theological encoding of the observed fact that not all smallpox patients died — that some recovered and were thereafter immune. The "propitiation" that saved them was, in the pre-vaccination era, nothing more or less than luck and the strength of their immune response. But the observation that survivors were protected thereafter is precisely the insight that drove variolation — the deliberate inoculation with live smallpox material — which preceded Jenner's vaccine by at least a thousand years in India and China.
The medical precision encoded in the Shitala tradition is not incidental. A goddess associated with fever, pustules, cooling, and hygiene, whose myths enforce behavioural practices consistent with outbreak containment, and who is simultaneously the disease's agent and its cure — this is not primitive superstition. It is epidemiological knowledge organised into a form that pre-literate communities could transmit, remember, and act upon across generations. The annual festival, the cooled stoves, the basket of the wandering penitent — these are the public health infrastructure of a world without germ theory, encoded in the most robust transmission medium available: sacred story.
Written by Jason Steven Jowett. Sourced from Hindu Puranic tradition, regional folklore, and the medical history of Variola. This blog may not be reproduced in whole without the author's express permission. Copyright © 2024. greatbrittania.blogspot.com