What are the 5 factors behind emerging infections?
What are the 5 factors behind emerging infections?
What are the 5 factors behind emerging infections?
Ecological Changes and Agricultural Development.
What factors may contribute to the development of emerging infectious disease?
Several factors contribute to the emergence and re-emergence of infectious diseases, but most can be linked with the increasing number of people living and moving on earth: rapid and intense international travel; overcrowding in cities with poor sanitation; changes in handling and processing of large quantities of food …
What are three emerging infections?
Emerging diseases include HIV infections, SARS, Lyme disease, Escherichia coli O157:H7 (E. coli), hantavirus, dengue fever, West Nile virus, and the Zika virus.
What are the factors affecting disease development?
It is the interaction of crop, pathogen and environment. Epidemiology covers the effect of environmental factor prevalence, incidence and severity. A proper understanding of epidemiology is necessary for prediction of plant diseases and formulation of effective control measures.
What are emerging viruses examples?
Examples of these viruses include filoviruses (Ebola, Marburg), henipaviruses (Nipah, Hendra), Lassa virus, Lujo virus, South American hemorrhagic fever viruses (Junin, Machupo, Guanarito, Chapare, Sabia), Crimean-Congo hemorrhagic fever virus, Rift Valley fever virus, hantaviruses, SARS coronavirus, MERS coronavirus.
Why are new viruses emerging?
Changes in the environment such as rainforest developments have led to an increase in contact between wild animals and humans. As a result, viruses which only existed in rainforests are able to be transmitted to a new human host. Climate changes such as global warming are another cause for the emergence of new viruses.
What are the three major factors involved in the development of disease in plants?
Plant diseases– their occurrence and severity– result from the impact of three factors: the host plant, the pathogen, and the environmental conditions. This is represented with the disease triangle.
What are the stages of disease development?
The five periods of disease (sometimes referred to as stages or phases) include the incubation, prodromal, illness, decline, and convalescence periods (Figure 2).
What can one do to protect yourself against these diseases?
Learn these healthy habits to protect yourself from disease and prevent germs and infectious diseases from spreading.
- Handle & Prepare Food Safely.
- Wash Hands Often.
- Clean & Disinfect Commonly Used Surfaces.
- Cough & Sneeze Into Your Sleeve.
- Don’t Share Personal Items.
- Get Vaccinated.
- Avoid Touching Wild Animals.
Where did Ebola re emerge?
Since its discovery in 1976, the majority of cases and outbreaks of Ebola Virus Disease have occurred in Africa. The 2014-2016 Ebola outbreak in West Africa began in a rural setting of southeastern Guinea, spread to urban areas and across borders within weeks, and became a global epidemic within months.
What are the different factors that affect climate?
Introduction: Climate is determined by the temperature and precipitation characteristics of a region over time. The temperature characteristics of a region are influenced by natural factors such as latitude, elevation, and the presence of ocean currents.