An epidemic is a disease outbreak that spreads across a larger geographical area than its anticipated endemicity. A pandemic is an epidemic that expands to more than one continent . The Ebola virus disease (EVD) pandemic, which presents by hemorrhagic fever, emerged in Guinea in 2013. It affected 28000 and killed 11000 individuals.
The World Health Organization (WHO) declared the H1N1 flu to be a pandemic in 2009. That year the virus caused an estimated 284,400 deaths worldwide. In August 2010, WHO declared the pandemic over. But the H1N1 flu strain from the pandemic became one of the strains that cause seasonal flu. Most people with the flu get better on their own.
1987. Robert W. Malone, M.D., M.S. mixes mRNA with fat droplets. He discovers that when human cells are added to this mixture, they absorb the mRNA and make proteins. Dr. Malone also finds that frog embryos absorb mRNA. These experiments are considered early steps in the eventual development of mRNA-based COVID-19 vaccines.
Many familiar ‒ and terrifying diseases ‒ originated in animals, including HIV/AIDS, Ebola, Zika, pandemic flu and COVID-19. Some started in other countries, typically on the African or Asian
Pandemic. International and out of control. In the most classical sense, once an epidemic spreads to multiple countries or regions of the world, it is considered a pandemic. However, some
National Pandemic Strategy Documents. The following documents guide the United States' preparedness and response in an influenza pandemic, with the intent of stopping, slowing or otherwise limiting the spread of a pandemic to the United States; limiting the domestic spread of a pandemic, mitigating disease, suffering and death; and sustaining
Pandemic Response, Pandemic Preparation This report reflects highlights of the agency's response, accomplishments and activities and describes a broad set of potential prospective actions that
WHO monitors disease activity on a global scale through a network of centres located in countries worldwide and has a pandemic preparedness plan that consists of six phases of pandemic alert. Phase 1 represents the lowest level of alert and usually indicates that a newly emerged or previously existing virus is circulating among animals, with
During the COVID-19 pandemic, you may have heard that coronavirus disease 2019 (COVID-19) is similar to the flu (influenza).COVID-19 and the flu are both contagious respiratory diseases. They are both caused by viruses. They have some common symptoms. But COVID-19 and flu infections can affect people differently. Also, since the flu has been around much longer, health care providers know more
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what is a pandemic disease
