Rinderpest

A bad sickness once hurt many animals.

It hurt cows and buffalo. It even hurt deer and giraffes. The sickness spread through water and air. It also spread when animals touched.

The sickness made animals very ill. They had a fever. They also had bad sores in their mouths. Many animals died from it. People worked hard to stop it. Now, the sickness is gone. It is the second sickness ever wiped out.

We helped save the animals.

Rinderpest was a very bad sickness for animals. The name means "cattle plague." It hurt cows and water buffalo. It also hurt many other animals like deer and giraffes.

The sickness was caused by a virus. This virus spread through the air. It also spread if animals drank dirty water. Animals could catch it by touching each other.

Sick animals had many symptoms. They had a fever and lost their appetite. They also got sores in their mouths. Many animals died very quickly. In some groups, almost every animal died.

People worked hard to stop the virus. In the past, some tried to use inoculation. This is a way to help animals stay safe. It worked better in some places than others. Later, a big global plan began. This plan worked very well. The last case was found in 2001. In 2011, leaders said the disease was gone. It is only the second disease ever wiped out. Smallpox was the first.

Rinderpest was a very serious disease for many animals. The name comes from a German word that means "cattle plague." It did not just affect cows and water buffalo. It also hurt many other animals with even-toed feet. These include deer, giraffes, bison, and even wildebeests.

Because it was so deadly, it was a huge problem for people and nature. In some groups of animals, the death rate was almost 100 percent.

The disease was caused by a tiny virus called RPV. This virus is part of a group called Morbillivirus. This group also includes the measles virus and canine distemper virus.

The virus spread in a few different ways. Animals could catch it by touching each other directly. It could also spread through the air or by drinking water that was contaminated. Once an animal was infected, it had an incubation period. This means the animal was sick inside for 3 to 15 days before showing signs.

When animals finally looked sick, they had many symptoms. They often had a fever and did not want to eat. They also had sores, or erosions, in their mouths and noses. Many animals died only 6 to 12 days after these signs appeared. This was a hard time for history because the disease spread quickly.

Many animals could travel far from the infection site before they died. This helped the virus move to new places.

People have studied this disease for a very long time. Some believe it started in Asia and moved as people moved cattle. In the 1700s, people in Europe faced many big outbreaks. In the Netherlands, a farmer named Geert Reinders did important work. He tried to use inoculation to help calves. Inoculation is a way to help the body learn to fight a sickness. Between 1777 and 1781, his method helped 89 percent of animals survive.

Today, rinderpest is a part of history because it is gone. A huge global campaign began in the middle of the 20th century. The last case of the disease was found in 2001. In June 2011, the United Nations announced that rinderpest was officially eradicated. Eradicated means the disease has been wiped out everywhere.

This makes rinderpest only the second disease in history to be fully gone. The only other one was smallpox.

Rinderpest was a devastating infectious disease that targeted many species of even-toed ungulates. The name comes from a German word meaning "cattle plague." While it heavily impacted cattle and domestic water buffalo, it also affected wild animals like giraffes, bison, antelope, deer, and wildebeests.

In populations that had no prior immunity, the mortality rate was extremely high, often approaching 100 percent. This made it one of the most significant animal diseases in history.

The disease was caused by the rinderpest virus, or RPV. This virus belongs to the genus Morbillivirus. This genus also includes the canine distemper virus and the measles virus. Scientists believe the rinderpest virus and the measles virus shared a common ancestor. A 2020 study used a 1912 measles virus genome to estimate they diverged around the 6th century BC. This timing coincided with the rise of large human settlements.

Understanding how the virus spreads is key to seeing how it moved so quickly. RPV is a negative-sense single-stranded RNA virus. It is an enveloped virion, meaning it has a protective outer layer. However, this virus is quite fragile in the environment. It is quickly inactivated by sunlight, heat, or desiccation, which is the process of drying out. Despite this fragility, the virus spread through direct contact between animals. It could also move through the air or via contaminated drinking water.

The progression of the disease followed a specific, dangerous pattern. First, an animal enters an incubation period lasting 3 to 15 days. During this time, the animal is infected but shows no outward signs of illness. This delay allowed infected animals to travel far from the original site. Once the clinical signs appeared, the animal suffered from fever and loss of appetite. Nasal and eye discharges were common initial symptoms.

As the infection progressed, more severe symptoms emerged. Irregular erosions, or sores, appeared in the mouth, the nose lining, and the genital tract. Animals also experienced acute diarrhea, which was often preceded by constipation. Most animals died within 6 to 12 days after these symptoms first manifested. Because of this timeline, outbreaks could spread rapidly through herds.

Human history is full of attempts to control these outbreaks. In the 18th century, Europe faced several long panzootics, which are large-scale animal epidemics. Responses varied by country. The Dutch and Germans used quarantines and strict burial practices. In England and parts of Italy, authorities chose to slaughter infected animals. In the Austrian Netherlands, officials used inspections and provided compensation to owners.

Early efforts to use inoculation saw mixed results. In the 1700s, some doctors thought rinderpest was similar to smallpox. While some trials failed or caused more disease circulation, others provided breakthroughs. A Dutch farmer named Geert Reinders worked with Wijnold Munniks to improve methods. Reinders focused on inoculating calves using maternally derived immunity. Between 1777 and 1781, his method resulted in an 89 percent survival rate. This was much higher than the 29 percent survival rate seen from natural infection.

In the 19th century, massive outbreaks continued to challenge nations. In 1865, a major outbreak hit the British Isles for three years. The British government ordered the slaughter of affected cattle. By May 1867, approximately 75,000 cattle had been slaughtered. This was a massive economic loss, with cattle valued at about £10 per head at the time.

Ultimately, rinderpest was defeated through global cooperation. A worldwide eradication campaign began in the mid-20th century. The last confirmed case was diagnosed in 2001. In 2010, the Food and Agriculture Organization of the United Nations announced that field activities were ending. In June 2011, rinderpest was formally declared eradicated. It is only the second disease in history to be completely wiped out, following smallpox.