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Robust prediction of mortality of COVID-19 patients based on quantitative, operator-independent, lung CT densitometry
Severe Acute Respiratory Syndrome Coronavirus (SARS-CoV) 2, was identified in China and very rapidly spread around the world [1,2], resulting in the current coronavirus disease 2019 (COVID-19) pandemic with tens of millions of confirmed cases worldwide.A patient-specific approach for quantitative and automatic analysis of computed tomography images in lung disease: Application to COVID-19 patients
COVID-19 is a complex infectious disease characterized by common and non-specific symptoms, such as fever, cough, shortness of breath and fatigue, and a broad spectrum of clinical manifestation, ranging from asymptomatic infection to respiratory failure requiring oxygen support or invasive ventilation [1].Dosimetric and radiation cancer risk evaluation of high resolution thorax CT during COVID-19 outbreak
The new emerging viral pneumonia named COVID-19 (Coronavirus Disease 2019) related to the novel coronavirus SARS-CoV-2 (Severe Acute Respiratory Syndrome Coronavirus 2) is affecting several countries in particular Northern Italy with a dramatic outbreak from the end of February 2020 [1,2].Teaching and learning of postgraduate medical physics using Internet-based e-learning during the COVID-19 pandemic – A case study from Malaysia
In November 2019, a novel coronavirus disease (COVID-19) that causes severe acute respiratory syndrome (SARS)-like symptoms was reported in Wuhan, China. The outbreak was soon declared a pandemic, infecting millions of people and causing nationwide lockdowns in more than 180 countries [1]. Malaysia was one of the countries affected by the pandemic; the first wave of infection started on January 24, 2020, and the second a month later. On March 18, 2020, the government imposed the Movement Control Order (MCO), which put the country on a partial lockdown [2,3].Shedding light on the restart
According to Shaman and Kohn [1] there are four ways for viral infection transmission: (i) through direct physical contact with an infected individual; (ii) via intermediate objects; (iii) via droplets expelled from infected individuals (e.g., by sneezing or coughing) that deposit on nasal or oral mucosa of a susceptible individual; (iv) via expelled particles <2.5 µm in radius (droplet nuclei) that remain suspended in air as aerosols for extended periods of time. On the same subject, the World Health Organization has recently released a commentary [2].Prejudice in science – Lessons from the coronavirus story
In the current pandemic times, medical physicists may not be aware that there is an interesting story on two significant discoveries related to the coronavirus. One is the invention of the polymerase chain reaction (PCR) and the other is the first electron microscopic observation and identification of the coronavirus. Both of them were disregarded by the reviewers and major journals declined to publish these discoveries. These days, PCR, for example, is a widespread method for analyzing DNA, having a profound effect on healthcare, especially now during the Covid-19 pandemic.
