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Aug 26, 2020

A COVID-19 epidemic model with latency period

At the beginning of a COVID-19 infection, there is a period of time known as the exposed or latency period, before an infected person is capable of transmitting the infection to another person. We develop two differential equations models to account for this period. The first is a model that incorporates infected persons

Aug 21, 2020

Spatial patterns of Bovine Corona Virus and Bovine Respiratory Syncytial Virus in the Swedish beef cattle population

Abstract Background Both bovine coronavirus (BCV) and bovine respiratory syncytial virus (BRSV) infections are currently wide-spread in the Swedish dairy cattle population. Surveys of antibody levels in bulk tank milk have shown very high nationwide prevalences of both BCV and BRSV, with large variations between regions. In the Swedish beef cattle population however,

Aug 20, 2020

Health risk assessment of chemical pollutants in a petrochemical complex

Background and Aims: workers in petrochemical industries are exposed to various contaminants and are facing to serious hazards, therefore a comprehensive risk assessment program for identification of hazardous chemicals that affect human health and also determination of hazardous tasks and processes is necessary.     Methods : This descriptive cross-sectional study was conducted

Aug 12, 2020

Evaluation of antioxidant and anti-collagenase activity of Rosa damascena L. flower petal and receptacle extract

Background: Rosa damascena L. is the most notable species of the Rosaceae family in the world, and has been used in food, cosmetics, and the pharmaceutical industry. Bioactive compounds in this flower are known to have several activities, such as antioxidant, antimicrobial, and anti-inflammatory. In this study, the antioxidant and collagenase inhibitory activities of R. damascena L.

Aug 10, 2020

Evaluation of the efficacy and safety of intravenous remdesivir

Abstract Background Coronavirus disease 2019 (COVID-19), caused by a novel corinavirus (later named SARS-CoV-2 virus), was fistly reported in Wuhan, Hubei Province, China towards the end of 2019. Large-scale spread within China and internationally led the World Health Organization to declare a Public Health Emergency of International Concern on 30th January 2020. The clinical

Aug 6, 2020

Hypertension and COVID-19

As the count for COVID-19 infection and deaths climb around the world, it is pertinent to look at the other pandemic of cardiovascular disease (CVD) and hypertension (HT). These conditions have been found to be the most common underlying conditions around the world. Unlike CVD, HT is not considered an independent risk factor

Aug 5, 2020

Quality Improvement of Community Health Center During Covid-19 Pandemic

This article describes the improvement of the quality of public health Center services during the COVID-19 Pandemic which includes the Management of public health Centers, Community Health Efforts, Individual Health Efforts, and Infection Prevention and Control. The method used is literature search and documentation studies based on rules and regulations. The results of

Jul 30, 2020

COVID-19: origin, outbreak, spread

The coronavirus disease 19 (COVID-19) is a highly transmittable and pathogenic viral infection caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), which emerged in Wuhan, China and spread around the world. Genomic analysis revealed that SARS-CoV-2 is phylogenetically related to severe acute respiratory syndrome-like (SARS-like) bat viruses, therefore bats could be the