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Chinese Flu ?
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<blockquote data-quote="greybeard" data-source="post: 1617017" data-attributes="member: 18945"><p>There are too many ways for it to be transmitted for any one preventative to be highly effective.</p><p>Present in any liquid or aerosol from the body, as well as in the feces. It can remain viable on surfaces for several hours. They do not know for sure yet how long it stays virulent suspended in air.</p><p></p><p>They're trying to establish a good R0 number. (R zero or R-naught) That's a number given a pathogen or infection that shows what the approximate rate of infection is. Non-infectious is R naught. A slightly infectious disease has a desirable R0 # below 1. Polio, smallpox and rubella (German measles) have R0 values in the 5 to 7 range; such values mean that, on average, one sick person would be likely to infect five to seven people who were not resistant to the virus, Common measles is among the highest with an R# of r12 to R18, because measles virus can stay suspended in the air for as much as 2 hours after being expelled from a contagious person's sneeze or cough. </p><p></p><p>What is the R number? It is indicative of how many people are getting infected from a single infected person. A person with measles can generally infect 12-18 other people. </p><p>WHO currently places Coronavirus at R1.4 to R2.5. The Chinese estimate it at R3.5. It can change, depending on a lot of factors, and since this is a relatively new strain, and the fact that the Chinese estimate that only about 5% of their infected population has been identified, it probably will. </p><p>SARS r0 # is 3 to 4 range.</p><p>Whooping cough 5.5, according to a study published in 2010 in the journal PLoS Medicine, and SARS has an R naught value in the 3 to 4 range.</p><p>Rubella (German measles), Polio, smallpox all fit in the 5-7 range. </p><p> Seasonal influenza is rated pretty low at about 1.3, but infects millions of people because of low resistance to it, as a seemingly never ending variety of strains emerge each year. </p><p>Mumps has a 10 rating.</p></blockquote><p></p>
[QUOTE="greybeard, post: 1617017, member: 18945"] There are too many ways for it to be transmitted for any one preventative to be highly effective. Present in any liquid or aerosol from the body, as well as in the feces. It can remain viable on surfaces for several hours. They do not know for sure yet how long it stays virulent suspended in air. They're trying to establish a good R0 number. (R zero or R-naught) That's a number given a pathogen or infection that shows what the approximate rate of infection is. Non-infectious is R naught. A slightly infectious disease has a desirable R0 # below 1. Polio, smallpox and rubella (German measles) have R0 values in the 5 to 7 range; such values mean that, on average, one sick person would be likely to infect five to seven people who were not resistant to the virus, Common measles is among the highest with an R# of r12 to R18, because measles virus can stay suspended in the air for as much as 2 hours after being expelled from a contagious person's sneeze or cough. What is the R number? It is indicative of how many people are getting infected from a single infected person. A person with measles can generally infect 12-18 other people. WHO currently places Coronavirus at R1.4 to R2.5. The Chinese estimate it at R3.5. It can change, depending on a lot of factors, and since this is a relatively new strain, and the fact that the Chinese estimate that only about 5% of their infected population has been identified, it probably will. SARS r0 # is 3 to 4 range. Whooping cough 5.5, according to a study published in 2010 in the journal PLoS Medicine, and SARS has an R naught value in the 3 to 4 range. Rubella (German measles), Polio, smallpox all fit in the 5-7 range. Seasonal influenza is rated pretty low at about 1.3, but infects millions of people because of low resistance to it, as a seemingly never ending variety of strains emerge each year. Mumps has a 10 rating. [/QUOTE]
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