Epidemiologists use the term endemic to refer to a disease that is always present in a certain population or area, he says, rather than something new. The best example of an endemic is the common
In 2010, the W.H.O. defined a pandemic as "the worldwide spread of a new disease" that affects large numbers of people. The C.D.C. says it is "an epidemic that has spread over several
Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a highly transmissible and pathogenic coronavirus that emerged in late 2019 and has caused a pandemic of acute respiratory disease
The Next Pandemic. It's been three years since the Covid-19 pandemic began, and yet many aspects of how to best respond to a novel virus remain unsettled or fiercely debated. The next currently
What is a pandemic?. Compared to an epidemic disease, a pandemic disease is an epidemic that has spread over a large area, that is, it's "prevalent throughout an entire country, continent, or the whole world.". Pandemic is also used as a noun, meaning "a pandemic disease." The WHO more specifically defines a pandemic as "a worldwide spread of a new disease."
Frederick J. Brown/AFP via Getty Images. In spring 2023, COVID hospitalizations and deaths hit their lowest levels since the start of the pandemic. Masks came off and schools and some workplaces
Vaccines and immunization. Immunization is a global health and development success story, saving millions of lives every year. Vaccines reduce risks of getting a disease by working with your body's natural defences to build protection. When you get a vaccine, your immune system responds. We now have vaccines to prevent more than 20 life
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.

The COVID-19 pandemic, also known as the coronavirus pandemic, is a global pandemic of coronavirus disease 2019 (COVID-19) caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). The novel virus was first identified in an outbreak in the Chinese city of Wuhan in December 2019.

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