An epidemic
is defined as “an outbreak of disease that spreads quickly and affects many individuals at the same time.” A pandemic is a type of epidemic (one with greater range and coverage), an outbreak of a disease that occurs over a wide geographic area and affects an exceptionally high proportion of the population.
When a disease spreads rapidly over a large area or the world it is epidemic?
A pandemic
is a disease outbreak that spreads across countries or continents. It affects more people and takes more lives than an epidemic. The World Health Organization (WHO) declared COVID-19 to be a pandemic when it became clear that the illness was severe and that it was spreading quickly over a wide area.
Which is an example of an epidemic?
What is an Epidemic? The Centers for Disease Control and Prevention (CDC) describes an epidemic as an unexpected increase in the number of disease cases in a specific geographical area.
Yellow fever, smallpox, measles, and polio
are prime examples of epidemics that occurred throughout American history.
Which situation would most favor the spread of infectious disease?
Modern demographic and ecologic conditions that favor the spread of infectious diseases include
rapid population growth; increasing poverty and urban migration
; more frequent movement across international boundaries by tourists, workers, immigrants, and refugees; alterations in the habitats of animals and arthropods …
How can the rate of infectious disease be drastically reduced?
Washing hands
properly is one of the most important and effective ways of stopping the spread of infections and illnesses. Wash your hands thoroughly using water and plain soap. Wash for at least 20 seconds and dry them completely. Using warm water is preferable, if available.
The coronavirus outbreak has been labelled a pandemic by the World Health Organization (WHO). It is a term that the organisation had refrained from using before now. WHO chief Dr Tedros Adhanom Ghebreyesus said it was now using the term because
of deep concern over “alarming levels of inaction” over the virus
.
What’s the difference between a pandemic and an epidemic?
According to the Center for Disease Control and Prevention (CDC), the difference between an epidemic and a pandemic is that:
Epidemic is a sudden outbreak of a disease in a certain geographical area
. Pandemic is an outbreak of a disease that has spread across several countries or continents.
What is a pandemic?
A pandemic is
the spread of a new disease around the world
. Health experts and scientists agree that it means a surge in illness over a large area. But there’s some dispute about other ways to define a pandemic, like whether the disease is new, whether it’s spread in a short time, and how severe it is.
WHO declares Covid 19 a global pandemic?
The World Health Organization (WHO)
on March 11, 2020, has declared the novel coronavirus (COVID-19) outbreak a global pandemic (1).
Do pandemics last forever?
That probably sounds bleak, but don’t despair. The truth of the matter is
that pandemics always end
. And to date vaccines have never played a significant role in ending them. (That doesn’t mean vaccines aren’t playing a critical role this time.
What is the longest plague in history?
The Great Plague of 1665
was the last and one of the worst of the centuries-long outbreaks, killing 100,000 Londoners in just seven months. All public entertainment was banned and victims were forcibly shut into their homes to prevent the spread of the disease.
Which of the following is the most common kind of infection in humans?
According to current statistics,
hepatitis B
is the most common infectious disease in the world, affecting some 2 billion people — that’s more than one-quarter of the world’s population.
What is the best way to prevent spread of infection?
The most important way to reduce the spread of infections is
hand washing – frequently wash hands with soap and water
, if unavailable use alcohol-based hand sanitizer (containing at least 60% alcohol). Also important is to get a vaccine for those infections and viruses that have one, when available.
How does the cycle of infection get repeated?
The transmission of pathogens from current to future host
follows a repeating cycle. This cycle can be simple, with a direct transmission from current to future host, or complex, where transmission occurs through (multiple) intermediate hosts or vectors.
How many deaths are caused by infectious diseases?
Leading causes of deaths
Five infectious causes ranked among the top ten killers in LMICs: lower respiratory infections (
3.4 million deaths
), HIV/AIDS (2.6 million deaths), diarrheal diseases (1.8 million deaths), tuberculosis (1.6 million deaths), and malaria (1.1 million deaths) (Table 3).
What is the impact of infectious disease?
The economic costs of infectious diseases—especially HIV/AIDS and malaria—are significant. Their
increasing toll on productivity owing to deaths and chronic debilitating illnesses
, reduced profitability and decreased foreign investment, has had a serious effect on the economic growth of some poor countries.
