WebSmallpox. Smallpox is a serious, highly contagious, and sometimes fatal infectious disease. There is no specific treatment for smallpox disease, and the only prevention is vaccination. WebSep 28, 2024 · Smallpox and other newly introduced diseases went on to kill tens of millions of Indigenous people in the Americas who had no resistance to the European illnesses. The viruses later spread to South America, and helped lead to the downfall and overthrow of empires like the Aztecs and Incas. And its lessons remain largely forgotten today.
Smallpox - WHO
WebSmallpox was an unknown disease not only in 16th century Mexico, but in all the Americas, before the arrival of Europeans. People in the Americas had not yet been exposed to the type of diseases that plagued the East, which … WebJun 12, 2015 · Lacking immunity to Old World pathogens carried by the Spanish, Hispaniola's indigenous inhabitants fell victim to terrible plagues of smallpox, influenza, and other viruses. Epidemics soon became a common consequence of contact. In April 1520, Spanish forces landed in what is now Veracruz, Mexico, unwittingly bringing along an … immune health 意味
An Overview of the Long History of Smallpox
WebSmallpox is a disease that is caused by the variola virus. It is an infectious (also known as ‘communicable’) disease meaning it can spread from one person or animal to another, … Smallpox in Angola was likely introduced shortly after Portuguese settlement of the area in 1484. The 1864 epidemic killed 25,000 inhabitants, one third of the total population in that same area. In 1713, an outbreak occurred in South Africa after a ship from India docked at Cape Town, bringing infected laundry … See more The history of smallpox extends into pre-history. Genetic evidence suggests that the smallpox virus emerged 3,000 to 4,000 years ago. Prior to that, similar ancestral viruses circulated, but possibly only in other mammals, and … See more It has been suggested that smallpox was a major component of the Plague of Athens that occurred in 430 BCE, during the Peloponnesian Wars, … See more After first contacts with Europeans and Africans, some believe that the death of 90–95% of the native population of the New World was … See more Early in history, it was observed that those who had contracted smallpox once were never struck by the disease again. Thought to have been discovered by accident, it became known that … See more One of the oldest records of what may have been an encounter with smallpox in Africa is associated with the elephant war circa AD 568 CE, when after fighting a siege in Mecca, Ethiopian troops contracted the disease which they carried with them back to … See more Island South East Asia There is evidence that smallpox reached the Philippine islands from the 4th century onwards – linked possibly to contact between South East Asians and Indian traders. During the 18th … See more Taterapox (which infects rodents) and camelpox are the closest relatives to smallpox, and share the same common ancestor with … See more WebMar 29, 2024 · 15 th Century – Portuguese occupation introduces smallpox into part of western Africa. 16 th Century – European colonization and the African slave trade import smallpox into the Caribbean and Central and South America. 17 th Century – European colonization imports smallpox into North America. list of vietnamese names