Disease experts use the term "pandemic" to describe when an epidemic has become rampant in multiple countries and continents simultaneously. (The term comes from the Greek word "pan In the early stages of an infectious disease outbreak, it is important to determine whether the pathogen responsible may go on to cause an epidemic or a pandemic 1,2,3,4,5.There is extensive The Spanish flu was a pandemic — a new influenza A virus that spread easily and infected people throughout the world. Because the virus was new, very few people, if any, had some immunity to the disease. From 1918 to 1919, the Spanish flu infected an estimated 500 million people globally. A pandemic is different from an epidemic, which is "when an infectious disease spreads rapidly to many people.". The APIC also notes that pandemics differ from outbreaks and epidemics in the following ways: "Affects a wider geographical area, often worldwide. Infects a greater number of people than an epidemic. Ebola Virus Disease (EVD) is a rare and deadly disease in people and nonhuman primates. The viruses that cause EVD are located mainly in sub-Saharan Africa. People can get EVD through direct contact with an infected animal (bat or nonhuman primate) or a sick or dead person infected with Ebola virus. Tuberculosis (TB) is an infectious disease that most often affects the lungs and is caused by a type of bacteria. It spreads through the air when infected people cough, sneeze or spit. Tuberculosis is preventable and curable. About a quarter of the global population is estimated to have been infected with TB bacteria. 1961-present: Seventh cholera pandemic Caused by the bacterium Vibrio cholerae, this diarrheal disease has triggered seven pandemics since 1817. The seventh — which began in Indonesia, reached Africa in the 1970s and the Americas in the 1990s — is still with us today, each year sickening 1.3 million to 4 million and killing 21,000 to 143,000. The Next Pandemic: Prepare for "Disease X". The COVID-19 pandemic will, slowly, and with some hiccups and many tragedies, pass into memory. This coronavirus may disappear and later recur, continue endemically under vaccine control, or simply attenuate and vanish. 1 The economy and healthcare systems will return to a new normal, some parts CDC is the nation's leading science-based, data-driven, service organization that protects the public's health. For more than 70 years, we've put science into action to help children stay healthy so they can grow and learn; to help families, businesses, and communities fight disease and stay strong; and to protect the public's health. geographic extension, most uses of the term pandemic imply disease movement or spread via transmission that can be traced from place to place, as has been done historically for centuries (eg, the Black Death). Examples of disease move ment include widespread person-to-per son spread of diseases caused by respira. kh4Z.

what is a pandemic disease