The deadliest disease in history, the plague, has resurfaced.

The deadliest disease in history, the plague, has resurfaced.

22.08.2025 08:11

A person camping in the United States was bitten by an infected flea. It was announced that the individual, who was hospitalized for treatment, had contracted the plague, which is considered the deadliest disease in human history.

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A person camping in the Lake Tahoe area of California, USA, has been reported to have contracted the plague. Health officials stated that the test results for the plague, which came back positive, were likely transmitted through the bite of an infected flea.



In a press release by El Dorado County officials, it was reported that the patient, a resident of Lake Tahoe, is being treated at home and their condition is being closely monitored. According to a report by NBC News, no details were provided about the person's identity or health status.



"PROTECTION OF INDIVIDUALS AND PETS IS NECESSARY"



Kyle Fliflet, the interim public health director of El Dorado County, emphasized that the plague bacteria are naturally found in many areas of California, especially in high-altitude regions. Fliflet stated, "It is crucial to protect individuals and pets during hiking, camping, and outdoor activities, especially in areas where wild rodents are present."



AN AVERAGE OF 7 CASES REPORTED EACH YEAR



According to the Centers for Disease Control and Prevention (CDC), an average of 7 plague cases are reported in the country each year. The source of the infection is usually the bacterium Yersinia pestis, which is transmitted through infected flea bites or direct contact with animals carrying the bacteria. Symptoms typically appear within two weeks of exposure and manifest as fever, weakness, nausea, and swollen lymph nodes. When the plague is diagnosed early, it can be effectively treated with commonly used antibiotics.



RODENT MONITORING IN THE TAHOE AREA



The California Department of Public Health reported that it regularly monitors the rodent population in the area and that only in 2025, plague bacteria were detected in four rodents in the Tahoe Basin. Between 2021 and 2024, a total of 41 rodents tested positive. Officials reminded that the last recorded case of plague in humans in the area was in 2020 in South Lake Tahoe, and the previous case was reported in 2015 in Yosemite National Park.



WHAT IS THE PLAGUE?



The plague, which is the deadliest disease in human history, is an acute, severe infectious disease caused by the bacterium Yersinia pestis. The plague disease is typically transmitted when fleas carrying the Yersinia pestis bacteria bite humans and animals. Additionally, the plague can spread from an infected person to another person and to a person who comes into contact with an infected animal, leading to serious consequences that can result in death in a very short time. There are three types of plague disease. One of them is the bubonic plague, which is the most commonly seen. Bubonic plague causes swelling and tenderness of the lymph nodes located in the patient's groin, armpits, or neck. The pneumonic plague, which is the rarest and deadliest type of plague, affects the patient's lungs and can be transmitted from person to person. In septicemic plague, the bacteria multiply directly in the bloodstream. The plague is still most commonly found in some regions of Africa, Asia, and America today.



The deadliest disease in history, the plague, has resurfaced
Interesting outfits worn by plague doctors in the 17th century.


BEAKED SPECIAL CLOTHING



The clothing worn by plague doctors was designed to protect against airborne diseases. The costume used in France and Italy in the 17th century consisted of gloves, boots, a wide-brimmed hat, and a loose-fitting dress, along with a coat that extended to the feet and was covered with sweet or strong scents (usually lavender).



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