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Classifying Indoor Air Problems: What Can Go Wrong?
Published in H.E. Burroughs, Shirley J. Hansen, Managing Indoor Air Quality, 2020
H.E. Burroughs, Shirley J. Hansen
This generic term for a common manifestation, is also referred to as “extrinsic allergic alveolitis.” It is basically an allergic lung disorder and it occurs in varying intensity. After a week to ten days, symptoms usually regress without further exposure. Symptoms get increasingly worse during exposure and show some relief when causal agent is absent, such as a weekend. Malaise and myalgia (muscular pain) are almost always present. Headaches frequently occur. In the more acute phase, shortness of breath, fever, chills and a dry cough appear within an incubation period of about six hours. Attack rate is very low. Individual susceptibility is suspected as a key factor.
Hazardous dusts from the fabrication of countertop: a review
Published in Archives of Environmental & Occupational Health, 2023
W. Kyle Mandler, Chaolong Qi, Yong Qian
Autoimmune disorders have also been described in patients with ESD-associated silicosis. Shtraichman et al. found that in 40 cases of silicosis in Israeli countertop fabricators, 9 (23%) presented autoimmune symptoms.53 Of these nine subjects, six reported symptoms of arthritis, four Raynaud’s disease, two dysphagia, one myalgia, and one xerostomia. Six out of nine subjects were smokers, a factor which has been found to exacerbate silicosis and autoimmunity.54 Turner et al. recently identified a group of three Australian workers with an average exposure duration of 19.3 years. In addition to functional deficits, these workers presented clinical features of autoimmunity including arthropathy, sicca, Raynaud’s phenomenon, and positive autoantibody titers. A common theme among these workers was dry cutting techniques generating very high exposures, coupled with minimal or no respiratory PPE.55 In a survey of 18 cases of ES workers with silicosis across several states, Rose et al. identified five workers with symptoms of autoimmune disease. This subset of patients was found to suffer from either rheumatoid arthritis or scleroderma. Crucially, in some workers who presented with autoimmune symptoms, silicosis was not initially suspected. Only after lung biopsy was performed on these subjects was their silicosis discovered.4
Performance evaluation of artificial neural networks for feature extraction from dengue fever
Published in Cogent Engineering, 2022
An estimated more than a billion gets affected each year with neglected tropical diseases (NTDs) in 149 countries throughout the tropics and subtropics (Ong et al., 2018). These diseases are caused by parasitic, viral, and bacterial parasites, viruses, and bacteria, and are transmitted by mosquitoes. Among the most common NTD types are borne viruses that are regarded as a virus collection that is considered as a naturally transmitted ones between hosts. Despite the fact that the clinical appearance of these disorders is well-known (Arivazhagan et al., 2022; Mohana et al., 2022), it is difficult to make an appropriate diagnosis of these conditions. In order to make an accurate arboviral diagnosis, a range of factors must be considered, the most prevalent of which are included in the scientific literature. One factor to consider is that arbovirus is typically asymptomatic, meaning that it may be present in a population without creating an outbreak. The second issue is that their illnesses are frequently difficult to distinguish from one another. They all have similar symptoms, which include arthralgia, fever, headache, myalgia, and orbital pain (Gangula et al., 2021), among other things. Despite the fact that the symptoms of Dengue, Zika, and Chikungunya are distinct from one another (Garcia-Carretero et al., 2022; Hannah et al., 2022), all of them, with the exception of Chikungunya, which is associated with joint discomfort, necessitate a high level of clinical competence and understanding in order to be accurately diagnosed.
Detection of anti-SARS-CoV-2 antibody for the diagnosis of past-COVID-19 infection cases using a liquid-crystal-based immunosensor
Published in Liquid Crystals, 2022
Dong Yoon Jeon, Chang-Hyun Jang
At the end of 2019, affected patients in Wuhan, China, experienced atypical pneumonia symptoms, and more than eighteen hundred deaths and seventy thousand infections were recorded in the first 50 days [1–3]. The disease was named the coronavirus disease 2019 (COVID-19) by the World Health Organization (WHO) [4] and was reported to be caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) [5]. Mild clinical symptoms of this infection include fever, fatigue, dry cough, expectoration, and myalgia [6–8], and in severe cases, complications, such as acute respiratory distress syndrome, pneumonia, arrhythmia, and shock, are also common [6,9,10]. COVID-19 has spread rapidly around the world, resulting in more than 239,499,942 infected cases and 4,882,104 deaths worldwide as of 13 October 2021 [11]. Many patients with COVID-19 often transmit the virus to others even in asymptomatic or mild cases; therefore, selective screening does not successfully capture all cases of this infection [12,13]. Nevertheless, to estimate the infection fatality rate and make public health decisions, it is important to determine how many people were actually exposed to the virus [14–16].