"Aerobiology is the study of the processes involved in the movement of microorganisms in the atmosphere environment from one geographical location to another location, including the aerosolized transmission of the disease. In article Aerobiology and Its Role in the Transmission of Infectious Diseases 2013, A Fernstrom, M Goldblatt written : It is postulated in this scientific work paper that atmospheric dispersion and intercontinental scale transport of air-borne aerosolized influenza virus may contribute to the spread, persistence, and ubiquity of the disease, the explosiveness of this epidemics, and the prompt regionwide occurrence of outbreaks and that seasonal changes in circulation patterns and the dispersive character of the atmosphere may help to explain the regular annual cycle of influenza activity". "Current theories of influenza viral epidemiology have not good explained the persistence, seasonality, and explosive outbreaks of the virus over large geographic areas. Illustrative results from calculations of this type are showed in Figure 1".įigure 1: The Earth's early atmosphere contained CH 4, H 2, H 2O, N 2, and NH 3, similar to the gas mixtures used in the Miller-Urey synthesis of organic compounds. "The Earth's early atmosphere contained CH 4, H 2, H 2O, N 2, and NH 3, similar to the gas mixtures used in the Miller-Urey synthesis of organic-compounds. The early steps in some of these initial transformations should be accessible to experimental work of investigation."Ītmosphere can be considered a real complex environment and since origin of life and in the following evolution pattern.Ī mixture of different gases, aerosols, steam and particulate matter, dust in a continuous movement according wind flux, climate and other factors. We also suggest that aerosols could have been precursors to life, since it is generally agreed that the common ancestor of terrestrial life was a singlecelled organism. We propose that large populations of such kid aerosols could have afforded an environment, by means of their ability to concentrate molecules in a wide variety of physical conditions, for key chemical transformations in the prebiotic world.
The aerosol sizes with significant atmospheric lifetimes are the same as those of singlecelled organisms, and they are predicted by the interplay of aerodynamic drag, surface tension, and gravity. The latter property is explicable by an inverted micelle model. "Aerosol particles in the atmosphere have recently been found to contain a large number of chemical elements and a high content of organic material. What is interesting is the various evidence of on distance transmission reported on scientific literature in human field but also in veterinary settings.īefore to start this work it is really interesting to observe what was written by CM Dobson, et al.
It is so very interesting to observe behavior of other virus like Avian influenza, H5 N1, SARS, MERS and other like smallpox. Respiratory virus diffusion and spread are a real interesting phenomena and a deep knowledge in this.įield make possible to better acts towards also some relevant infectious disease like Covid-19 pandemia. Respiratory virus, COVID-19, Corona-virus, On distance, Indirect transmission, Epidemiology, Pathology, Spread, Diffusion, Air-borne, Wind, Outdoor, Aerial convection, Kilometers Some peculiarity in Covid-19 diffusion velocity and mortality rate in some high polluted world region contributes to increase the interest in these topics. Aim of this work is to verify hypotesys of air-borne transmission on distance related some respiratory and other virus and to compare with actual Covid-19 pandemic diffusion.Īfter an analysis of relevant literature involved and submitting an experimental hypotesys a global conclusion is submitted for further research activity.
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