Health officials say symptoms of plague usually start to appear two to eight days after a person was exposed to an infected animal or flea. In some cases, pneumonic plague can spread when an infected person coughs, causing infectious droplets to spread. This is the only type of plague that ...
The first reported plague pandemic began in 541 A.D. and lasted for over 200 years, killing an estimated 100 million people or more throughout the Mediterranean basin. The so-called Black Death, or pandemic of the Middle Ages, began in China and made its way to Europe, causing the death...
Plague can cause swelling in your lymph nodes. The armpit is one of the common places for these bumps, called buboes, to appear. They also show up in the groin and neck. They're tender and painful. (Photo Credit: Centers for Disease Control and Prevention/Science Source) Plague spreads ...
The Black Death, also known as The Plague, was a pandemic affecting most ofEuropeand large swaths ofAsiafrom 1346 through 1353 that wiped out between 100 and 200 million people in just a few short years. Caused by the bacterium Yersinia pestis, which is often carried by fleas found on rod...
The Consumer Wellness Centeris a non-profit organization offering nutrition education grants to programs that help children and expectant mothers around the world. Food Investigations Webseed.com The Honest Food Guide offers a free online reference database of healing foods, phytonutrients and plant-bas...
What time of the day are they most intense? UV light is radiation energy in the form of invisible light waves. The sun and tanning beds give off UV light. The sun discharges three types of ultraviolet radiation: Ultraviolet A (UVA) Ultraviolet B (UVB) Ultraviolet C (UVC) Only UVA and ...
Between 20-40 million people died from flu worldwide, far more than those who died because of World War I during those years, and more than those who died during the Black Plague in the Middle Ages. Fortunately, the 2009 H1N1 strain was not as severe as Spanish Flu, but it did cause...
The outer layer of the skin (the epidermis) shows overgrowth of normal skin (hyperplasia), and it encloses an underlying layer of skin (the dermis), in which the normally present collagen fibers appear abnormally loose and swollen. Usually, there are no hairs, moles or other skin structures...
Flea bites and bed bug bites appear similar, but they are not the same. Bed bug bites often look like mosquito bites. They can be red and firm, and there may be some slight swelling around the bite. Flea bites look like small clusters of red spots. Bed bug bites often appear in line...
The Black Death haunts the world as the worst-case scenario for the speed of disease's spread. It was the second pandemic caused by the bubonic plague, and ravaged Earth’s population. Called the Great Mortality as it caused its devastation, it became known as the Black Death in the late...