Cats, People, and the Black Plague: Those Who Kept Cats Survived

In the long history of human-animals relationships,actually accelerated, for, of course, the elimination
a few episodes stand out in which one speciesof all cats was soon followed by an explosion of
has made a significant contribution to the survivalthe rat population.Eventually it became evident
of another. Rarely do cats get credit for such anthat people who had kept cats, in violation of the
accomplishment--more often dogs or horses, andlaw, fared better; for the cats, according to their
then, usually in times of war--but the Black Plaguenature, killed the rats that carried the fleas that
of Europe is one of those times.By way ofreally carried the plague. People slowly began to
background, the ancient Romans, in their conquestdeduce the rat-flea-disease connection. When the
of Egypt, had brought cats home to Europe. Catstruth finally came to light, cats were quickly
subsequently suffered a period of disfavor duringelevated to hero status, and soon became
the superstitious Middle Ages, for they hadprotected by law.The Great Plague ended when
become associated with witches and the Devil;the fleas started dying, as a part of their natural
some people believed black cats were witches inlife cycle, in the cold of fall and winter. Subsequent
disguise, or that they assisted witches inplagues would visit Europe over successive
performing their craft. Those who kept cats asgenerations, and other continents suffered similar
pets were the objects of much suspicion, andoutbreaks; it would not be until the 19th century
widespread cat hunting led almost to theirthat scientists really began to understand the
extinction.When rats from Asia brought theepidemiology of the plague. Increased sanitary
bubonic plague to Europe via trading ships in theconditions over time helped reduce its incidence,
mid-1300s, the epidemic (variously known as theand with the discovery of antibiotics in the 20th
Black Plague, the Great Plague, the Black Death,century, the threat of the plague was greatly
and the Great Mortality) swept across thereduced.Would it be a stretch to say that, by
continent, resulting in devastating loss of humanbringing the rodent population under control, cats
life. In all, one-third of the population ofsaved humans from extinction? At least,
Europe--some 34 million people--died. In EnglandEuropean humans? At a minimum, cats deserve
alone, more than half the human populationcredit for heroically saving the species that,
perished; in some parts of France, ninetythrough ignorance, almost wiped them out.(C)Lisa
percent.It took the authorities some time toJ. Lehr 2006Lisa J. Lehr is a freelance writer and
figure out the cause of the problem. At one pointInternet marketer specializing in direct response
they tested the theory that the disease wasand marketing collateral. She holds a biology
being spread by dogs and cats; thus the mayordegree and has worked in a variety of fields,
of London ordered the execution of all such pets.including the pharmaceutical industry and teaching,
Despite the extermination of millions of companionand has a particular interest in health, pets, and
animals, however, the plague did not abate butconservative issues.