USEFULNESS of Topic Ivermectin and Carrageenan to Prevent Contagion of Covid 19

Covid19

IVERMECTIN CARRAGEENAN COVID 19

Estimation of the prevalence and contagiousness of undocumented novel coronavirus infections is critical for understanding the overall prevalence and pandemic potential of this disease. It is estimated that 86% of all infections were undocumented \[95% credible interval (CI): 82-90%\] before the 23 January 2020 travel restrictions. The transmission rate of undocumented infections per person was 55% the transmission rate of documented infections (95% CI: 46-62%), yet, because of their greater numbers, undocumented infections were the source of 79% of the documented cases. Ivermectin + Carrageenan, taking advantage of their virucidal effects, are aimed at reducing the contagion.

CONTAGION COURSE Estimation of the prevalence and contagiousness of undocumented novel coronavirus infections is critical for understanding the overall prevalence and pandemic potential of this disease. Observations of reported infection within China, in conjunction with mobility data, a networked dynamic metapopulation model, and Bayesian inference, to infer critical epidemiological characteristics associated with SARS-CoV-2, including the fraction of undocumented infections and their contagiousness, have been attempted. The rapid geographic spread of SARS-CoV-2 indicate that containment of this virus will be particularly challenging. DISSEMINATION BY DROPLETS For COVID-19, the salivary gland could be an important source of the virus in saliva and would generate infectious saliva on a sustained basis. ACE2 expression in the minor salivary glands was higher than in the lungs, suggesting that the salivary glands is a potential target for COVID-19. The positive rate of COVID-19 in the patients' saliva can reach 91.7%, and the saliva samples can also culture the live virus. In addition to mobility restrictions of people, the World Health Organization and the Governments have prescribed maintaining an inter-personal distance of 1.5 or 2 m (about 6 feet) from each other in order to minimize the risk of contagion through the droplets that we usually disseminate around us from nose and mouth. However, recently published studies support the hypothesis of virus transmission over a distance of 2 m from an infected person. Researchers have proved the higher aerosol and surface stability of SARS-COV-2 as compared with SARS-COV-1 (with the virus remaining viable and infectious in aerosol for hours) and that airborne transmission of SARS-CoV can occur besides close-distance contacts. Indeed, there is reasonable evidence about the possibility of SARS-COV-2 airborne transmission due to its persistence into aerosol droplets in a viable and infectious form. Based on the available knowledge and epidemiological observations, it is plausible that small particles containing the virus may diffuse in indoor environments covering distances up to 10 m from the emission sources, thus representing a kind of aerosol transmission. On-field studies carried out inside Wuhan Hospitals showed the presence of SARS-COV-2 RNA in air samples collected in the hospitals and also in the surroundings, leading to the conclusion that the airborne route has to be considered an important pathway for viral diffusion. Similar findings are reported in analyses concerning air samples collected at the Nebraska University Hospital. On March 16th, we have released a Position Paper emphasizing the airborne route as a possible additional factor for interpreting the anomalous COVID-19 outbreaks in northern Italy, ranked as one of the most polluted areas in Europe and characterized by high particulate matter (PM) concentrations. The available information on the SARS-COV-2 spreading supports the hypothesis of airborne diffusion of infected droplets from person to person at a distance greater than two meters (6 feet). The inter-personal distance of 2 m can be reasonably considered as an effective protection only if everybody wears face masks in daily life activities. IVERMECTIN CONCENTRATION IN SALIVARY GLANDS The concentration of ivermectin was tested in different tissues, in different studies, both in animals and human beings. The concentration in salivary glands proved to be adequately acceptable. CARRAGEENAN VIRUCIDAL EFFECTS Iota Carrageenan is widely used in gastronomic, cosmetic and pharmacologic industry. Recently, its intrinsic virucidal effectas were proved over a variety of virus (herpes simplex, Japanese Encephalitis, Rhinovirus, etc.). Its mechanism of action is preventing virus adsorption to host cells. By applying both drugs topically, 5 times per day, in nasal and oral mucosae, we try to reduce contagion.

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