Endemic is the constant presence of a disease or infectious agent in a certain geographic area or population group. Epidemic is the rapid spread of a disease in a specific area or among a certain population group. Pandemic is a worldwide epidemic; an epidemic occurring over a wide geographic area and affecting a large number of people.

A pandemic disease is one that spreads quickly over a very wide geographical area and affects a huge number of people all over the globe. An epidemic disease differs in that it would normally be confined to a smaller geographic area, such as a single country or area, and would therefore affect a lesser number of people than a pandemic would. Typically, a pandemic can occur when a highly virulent disease emerges that is new to humans but is one that spreads easily amongst them. See similar questions...

A pandemic occurs over large geographical areas (usually worldwide) and affects a high proportion of the population; an epidemic, although it may be serious, usually refers to what is happening in one country or region. See similar questions...

epidemic is an outbreak of a disease that occurs in one or several limited areas, like a city, state, or country. Once the disease spreads beyond the borders of several countries and affects many countries across the globe, it is called a pandemic. In the last century, several pandemics of influenza occurred ? the biggest one in 1918. During the 1918 pandemic, at least 500,000 Americans died, estimated deaths worldwide numbered 10 million. See similar questions...

Predicting the results of a pandemic is as much art as science. We use past flu outbreaks (like the ones in 1918 and 1957) to guide us. Current thinking suggests that somewhere between 3,500 and 4,500 islanders would become infected. Of those sick, there could be up to 500 deaths, but perhaps 120 fatalities is a more realistic figure. Pandemics typically come in two to three waves of active infection. See similar questions...

A pandemic is 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. See similar questions...

We do not know ? it can't be predicted. The gaps between previous pandemics have varied widely. Intervals between previous pandemics have varied from 11 to 42 years with no recognisable pattern. Three influenza pandemics occurred in the last century ? 1918/19 (Spanish flu), 1957/58 (Asian flu) and 1968/69 (Hong Kong flu). All affected large numbers of the population, causing many deaths and huge economic and social disruption. See similar questions...

We have learned from past pandemics that crowding will hasten infection with added surges stressing local healthcare capacity. For this reason, measures to decrease social interaction may become prudent such as school closures, curtailing public gatherings, and resorting to alternative work arrangements such as telecommuting. As infection rates heighten in communities, issues such as care for the sick and adequate food and water may become more important. See similar questions...

They are zones where there is an active transmission of the Trypanosoma cruzi, resulting in new cases every year. See similar questions...

Several allowable annual cuts have been increased as an emergency measure for salvaging or recovering the greatest value possible from beetle-attacked timber. The temporary increases have resulted in a surge in harvesting activity in some areas of the central Interior. However, significant reductions to these allowable annual cuts are inevitable as timber supplies decline and the epidemic finishes running its course. See similar questions...

The disease is transmitted from rats to man by small insects, (about 2-4 mm) i.e. rat-fleas which act as vector, i.e. they only transmit the disease, but do not suffer from it. Rather, they derive their blood meals from the plague-infected rats till the rats die. While sucking blood from... Vaccination is the key for the prevention of this disease. Therefore, a strict vaccination schedule must be followed. See similar questions...

In Malaysia, it seems to be so only when the newspapers decide that to be so. I think we badly need a well formulated public health strategy to deal with epidemics in this age of IT. In response to the many questions from medical personnels as well as the general public about the JE outbreak, I have decided to post some answers to these frequently asked questions. See similar questions...

Many scientists believe it is a matter of time until the next influenza pandemic occurs. However, the timing and severity of the next pandemic cannot be predicted. Influenza pandemics occurred three times in the past century — in 1918-19, 1957-58, and 1968-69. See similar questions...

The answer is unclear. The best way to prevent a pandemic would be to eliminate the virus from birds, an unlikely scenario in the near future. As mentioned above, there are theoretical models of prophylactically utilized antivirals near the start of a pandemic to reduce the emergence of a fully transmissible virus or delay its international spread and to gain time for vaccine development. See similar questions...

Influenza pandemics are known to have occurred several times each century since the Middle Ages. There were three influenza pandemics in the 20th century, in 1918, 1957 and 1968. Experts believe we are overdue for the next influenza pandemic. No one can predict when a pandemic might occur, but many scientists from around the world are watching the H5N1 avian (bird) influenza situation in Asia and Europe very closely. See similar questions...