an infection that spreads around the globe.

An epidemic outbreak of a disease occurring worldwide, or over a very wide area, crossing international boundaries, and usually affecting a large number of people.

An epidemic of worldwide proportions.

"An infection that spreads around the world affecting much of the population."

an epidemic that occurs worldwide.

An epidemic that occurs in many regions of the world.

An epidemic that achieves global proportions.

An epidemic disease prevalent throughout an entire country, continent, or the whole world, such as the HIV/AIDS pandemic. protease An enzyme that breaks apart proteins into their components. In the HIV virus, protease is required if the virus is to replicate itself. Protease is the first HIV protein whose three-dimensional structure that HIV/AIDS researchers have characterized. protease inhibitor Antiretroviral drugs that work by preventing HIV protease enzymes from breaking apart viral proteins, thereby prohibiting replication of the virus.

An epidemic affecting a large geographical area; often on a global scale

This is when an epidemic becomes an international outbreak.

( Beetle FAQs) - occurring over a wide geographic area and affecting a high proportion of the population.

disease outbreak impacting a large geographical area and a large portion of the population.

Significant person to person spread of a novel antigen causing wide spread disease in humans who are immunologically naive to this new subtype.

An epidemic of disease with a world-wide scope. The "black death" (bubonic plague) in the middle ages, the influenza strain that killed millions across the world in 1917-20 and the current spread of AIDS are examples.

An epidemic which spreads over several countries or continents and affects a large number of people. See epidemic.

an epidemic that is geographically widespread; occurring throughout a region or even throughout the world

epidemic over a wide geographical area; "a pandemic outbreak of malaria"

a case of 'when, not if', says the WHO, and global recession could follow

a disease occurring in epidemic form throughout the entire population of a country, a people, or the world

a disease or condition that specifically kills a lot of people

a disease or viral outbreak that crosses international borders

a disease that occurs over a wide area to many people

a disease that spreads around the world from person to person and kills

a disease that strikes the majority of the population in a large region, emerges simultaneously in different parts of the world, and is a long-term phenomenon

a global disease outbreak

a global event that implies the same risks world-wide

a globally infectious disease that affects a large population, like AIDS

a global out break of a disease, generally associated with influenzas

a health crisis occurring over a wide geographic area affecting an exceptionally high proportion of the population

a large epidemic affecting several countries or even one or more continents

a nation-wide or worldwide outbreak of a disease

an epidemic affecting a large geographic region

an epidemic disease that spreads over a wide geographic area and affects a large percentage of the population

an epidemic of a disease that spreads quickly, and reaches many countries across the world

an epidemic outbreak of disease that spreads to a good portion of the globe

an epidemic over an especially wide geographic area and comes from the Latin word "pandemies" meaning "of all the people"

an epidemic over a wide geographic area, affecting many people

an epidemic over a wide geographic area that affects a large proportion of the population

an epidemic that affects the entire world, all continents, rather than a single geographic area

an epidemic that affects the entire world almost simultaneously, usually causing great illness and great loss of life

an epidemic that becomes very widespread and affects a whole region, a continent, or the world

an epidemic that breaks out on a global scale

an epidemic that occurs across several countries and affects a sizable portion of the population in each, although there's no formal definition of what constitutes "sizable

an epidemic that spreads across the globe affecting every continent rather than being confined to one geographic area

an epidemic that spreads around the world

an epidemic that spreads over a large geographic area, potentially the whole world

an epidemic that strikes a very wide area, usually world-wide

an epidemic that strikes several continents simultaneously and infects a substantial portion of the population

an epidemic that usually affects a large proportion of the population, occurring over a wide geographic area such as a section of a nation, the entire nation, a continent or the world

an epidemic with world wide propositions

an extensive regional or global outbreak of a serious disease that spreads easily among humans

an infectious disease that can spread across many countries or around the world in a short period of time

an infectious disease that spreads across many countries within a short time

an outbreak of a disease in many countries at the same time

an outbreak of a disease which lasts for a considerable period of time and affects people across a large geographical zone, leading to a large number of serious cases and a high mortality rate

an outbreak of an illness affecting a large fraction of the people in a given region, country, or the world as a whole

an outbreak of an infectious disease (epidemic) that spreads over a region or worldwide

an outbreak of an infectious disease that affects

an outbreak of a particular disease that spreads quickly throughout the world

an outbreak of a sickness that affects a large number of people worldwide

an outbreak of disease in a whole country or in several countries

an outbreak of disease that geographically involves much of the world

an outbreak that's spread over a wide area of the world

an unusually large epidemic that extends beyond typical regional boundaries

a rapidly-spreading epidemic of a disease that affects most countries and regions of the world

a very big epidemic

a very extensive epidemic , like a plague, that is prevalent in a country, continent, or the world

a widespread outbreak of disease, typically an influenza strain

a world-wide event

a worldwide flu outbreak

a world-wide outbreak of disease in humans

disease that has spread worldwide.

A disease epidemic which affects population over a wide geographical area. When applied specifically to plague, the term pandemic refers to a particular cyclic series of widespread epidemics.

a very widespread, often global, disease.

rapid increase in disease beyond national boundaries.

The worldwide outbreak of a disease in numbers clearly in excess of normal. See epidemic.

An epidemic happening on several continents at the same time.

disease prevalent over a whole country or the world or the outbreak of such a disease

An epidemic occurring over a very wide area (several countries or continents) and usually affecting a large proportion of the population.

A disease prevalent throughout an extensive region, country, or continent, or throughout the world. See Epidemic.

A disease attacking or affecting all. Larger than an epidemic.

Disease that occurs more or less over the entire world at the same time.

A worldwide epidemic.

an epidemic that affects multiple geographic areas at the same time.

An epidemic occurring over a very large area.

a disease that affects a whole country or the world.

An epidemic that spreads over a very wide area (e.g. the 1918-19 Spanish Flu, the mid-fourteenth century bubonic plague outbreak across Europe).

a disease occurring over a wide geographic area and affecting a very high proportion of the population. This term is often used to describe large outbreaks of influenza that occur worldwide and cause a high rate of death.

A pandemic is an epidemic that spreads throughout the world.

essentially a large epidemic that crosses boundaries and affects many different subgroups within the larger population. Originally and falsely thought to be a "gay epidemic," HIV and AIDS is a global pandemic that requires everyone's attention.

Denoting a disease affecting or attacking the population of an extensive region, country, continent; extensively epidemic.

an epidemic that spreads over a large area, usually affecting several countries.

An outbreak of disease that spreads throughout the world.font

Contagious disease prevalent over a wide geographical area (the global AIDS incidence is a pandemic).

an epidemic occurring over a very wide area, crossing international boundaries and usually affecting a large number of people. A global epidemic.

Affecting an extremely high proportion of a population over a wide geographic area ( adj.) or a disease of pandemic proportions ()

an epidemic that encompasses a wide area, for instance, across nations or hemispheres.

an epidemic of global proportions.

a situation where a disease organism is commonly found in the local environment and presence of the disease in local populations of the host organism is routinely observed.

A disease that is prevalent across the whole population and cannot be restricted to any region. (See also Endemic and Epidemic).

An epidemic that has spread over a large geographic area, throughout an entire country, continent or the whole world.

A disease prevalent throughout an entire country or continent, or the whole world. See Epidemic.

Disease affecting many regions and countries.

Epidemic of a disease which spreads to more than one continent. Most commonly, however, used to describe a global epidemic.

A widespread epidemic.