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White House pandemic response coordinator Dr. Ashish Jha delivered a grim message on Friday about the ever-evolving coronavirus pathogen that the Centers for Disease Control and Prevention ...
The plague can also spread through the respiratory droplets of a patient who has pneumonic plague. Pneumonic plague is the most deadly and easiest to spread, with a nearly 100% fatality rate ...
Coronavirus disease 2019 (COVID-19) is a contagious disease caused by the coronavirus SARS-CoV-2. In January 2020, the disease spread worldwide, resulting in the COVID-19 pandemic . The symptoms of COVID‑19 can vary but often include fever, [ 7 ] fatigue, cough, breathing difficulties , loss of smell , and loss of taste .
The disease that historically came to be known as the “Black Death” has been detected in a person in Colorado.
The plague went on to eliminate a quarter to half the human population of the known world and was identified in 2013 as being caused by bubonic plague. [78] [79] Black Death (1331 to 1353): Also known as the Second Plague Pandemic. The total number of deaths worldwide is estimated at 75 to 200 million.
Bubonic plague 15–100 million 25–60% of European population [5] 541–549 North Africa, Europe, and Western Asia 3 HIV/AIDS pandemic: HIV/AIDS: 44 million (as of 2025) [a] 1981–present [6] Worldwide 1 Black Death: Bubonic plague: 25–50 million 30–60% of European population [7] 1346–1353 Europe, Asia, and North Africa 5 COVID-19 pandemic
Mortality from bubonic plague today is between 1% and 10%, whereas septicemic plague may have mortality as high as 50% — and if untreated, it's over 90%. Fleas can spread other diseases too
A COVID-19 vaccine is intended to provide acquired immunity against severe acute respiratory syndrome coronavirus 2 (SARS‑CoV‑2), the virus that causes coronavirus disease 2019 . Prior to the COVID-19 pandemic, an established body of knowledge existed about the structure and function of coronaviruses causing diseases like severe acute ...