Articles

The expected second wave of COVID-19

Published on: 3rd September, 2020

OCLC Number/Unique Identifier: 8683049927

The pandemic of Coronavirus Disease (COVID-19) caused by Severe Acute Respiratory Syndrome Coronavirus-2 (SARS-CoV-2) continues to rise around the globe. As per 15th July 2020, the World Health Organization (WHO) reported 13,119,239 confirmed COVID-19 cases along with 573,752 confirmed deaths globally.
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Lipid profile of antiretroviral therapy-naive HIV-infected patients attending infectious diseases service of University Teaching Hospital of Kinshasa, Democratic Republic of the Congo (DRC)

Published on: 26th August, 2020

OCLC Number/Unique Identifier: 8683051917

Introduction: HIV infection leads to metabolic disorders. The objective of this work was to study the lipid profile of HIV + patients followed at the University Teaching Hospital of Kinshasa (UTHK). Methods: This study analyzes the lipid profile of HIV + patients, aged at least 18 years, followed at the UTHK from January 1, 2008 to December 31, 2014. The medians of different types of lipids, the frequency of lipid disorders, the general clinical characteristics of patients and factors associated with dyslipidaemia were studied. Haemoglobin (Hb), White Blood Cells (WBC), Leukocyte Formula (LF), Blood Sugar, Urea, Creatinine, Transaminases, Uric Acid, CD4s+ count were analyzed. Results: The lipid balance was performed in 38.8% of patients; 38.1% of them had dyslipidaemia. Total hypercholesterolaemia (28.6%), elevated LDL-C (19%), hypertriglyceridemia (23.8%) and HDL hypocholesterolaemia (42.9%) were observed. The medians of TG (128 mg / dL), HDL-C (51 mg/dL) and LDL-C (78 mg/dL) were high. Risk factors associated with dyslipidaemia were represented by WHO stage 4, tuberculosis (TB) and hyperglycaemia. The highest levels of LDL-C and TG and the lowest HDL-C were seen when CD4s+ were below 200 elements/µL. Conclusion: The HIV/AIDS dyslipidaemia characterized in this study by HDL-C hypocholesterolaemia, hypertriglyceridemia and total and LDL hypercholesterolemia can be considered as an indicator of the progression of HIV infection.
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Serological and virological profile of patients with chronic hepatitis B infection in Eritrea

Published on: 24th July, 2020

OCLC Number/Unique Identifier: 8639906724

Background: Hepatitis B virus infection is a major cause of liver associated morbidity and mortality with diverse spectrum of disease. It is estimated about 15% to 40% of patients with hepatitis B virus infection progress to chronic hepatitis and about 15% to 25% die from disease complications. The main aim of this study was to evaluate the serological and virological markers of patients with chronic hepatitis B virus infection to determine the natural history of chronic hepatitis B infection in the Eritrean setting. Methods: A laboratory-based cross-sectional study was conducted on 305 patients with HBsAg positive who presented to Orotta National Referral Hospital, Halibet Hospital, Sembel Hospital and National Health Laboratory in Asmara, Eritrea from January 2017 to February 2019. Enzyme-linked immunosorbent assay was performed to detect hepatitis B serological markers (anti-HBc, HBsAg, anti-HBsAb, HBeAg and anti-HBeAg). Hepatitis B DNA viral loads and liver transaminase levels were determined. Data analysis was conducted using SPSS version 25.0. Results: A total of 305 patients presented with HBsAg positive serology with a mean age of 41.3 (± 13.7) years ranging from 16 to 78 years. Males were 218 (71.5%) and females 87 (28. 5%).Anti-HBc was positive in 300 (98.4%), of which 293 (97.5%) were positive for HBsAg and 7 (2.3%) positive for anti-HBs. Among these 293 patients, 20 (6.8%) were HBeAg positive/anti-HBe positive, 242 (82.6%) HBeAg-negative/anti-HBe-positive and 31 (10.6%) were HBeAg negative/anti-HBe-positive. Detectable HBV DNA was found in 122(41.6%) of the 293 cases. Alanine transaminase was normal in 90% of HBeAg-positive and in 91.2% of HBeAg-negative patients. Hepatitis B DNA viral load was >2,000 IU/mL in 67 (22.86%) and >200,000 IU/mL level was more frequently detected in HBeAg positive (20.0%) compared to HBeAg negative (1.8%) subjects (p < 0.001). Conclusion: This study shows predominance of HBeAg-negative and low replication phase of HBV infection among patients in Eritrea. It also documented that most patients had chronic infection with normal liver transaminase levels in the absence of biochemical signs of hepatitis. This study will provide a basis for therapeutic evaluation of patients and planning national treatment guidelines in the Eritrean setting.
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A Comprehensive review on genomic diversity and epidemiology of COVID-19

Published on: 22nd July, 2020

OCLC Number/Unique Identifier: 8639906558

A respiratory outbreak of COVID-19 started from Wuhan, China and on 30 January 2020, WHO declared this infection to be epidemic, implementing public health emergency worldwide. On 11th March 2020, observing its prevalence in the whole world and WHO declared as a pandemic. Many countries completely collapse in the grip of this pandemic, as there are no effective treatments available, the precaution is the sole remedy to minimize this infection. The emergence and pandemic of SARS-CoV-2 (since the SARS-CoV in 2002 and MERS-CoV in 2012] manifest the third time outline of highly contagious and pathogenic infection with infect-ability to spread globally in the twentieth-first century. The SARS CoV-2 genome is highly identical to bat coronavirus which is considered to be the perfect natural host. This coronavirus even utilizes the same ACE2 receptor as SARS-CoV and mainly spread the infection to the respiratory tract, which evidently showed that transmission of this virus through interactions and exposures. The death toll of these infected patients is increasing day by day especially when they have prehistory fatal diseases like cardiovascular, diabetics, and respiratory diseases. In this review, we summarized and explained the research progressed and available data on epidemiology, COVID-19 phylogenetic relation and its impact of different fatal disease and their relation and discuss the precautionary methods to combat this pandemic. Moreover, the pieces of evidence of spreading the virus through pets and prevention of being spreading by copper metal endorsement.
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Inhaled statins to combat COVID-19 – prophylactic and treatment approach

Published on: 12th June, 2020

OCLC Number/Unique Identifier: 8620514372

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 (WHO, 2020). The genome of the SARS-CoV-2 has been reported over 80% identical to the previous human coronavirus (SARS-like bat CoV) [1]. As of May 2020, more than 5 million people have been affected worldwide with deaths amounting to 333000, the numbers increasing at an alarming rate day by day.
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Can house flies mechanically carry and/or transport sars-cov-2?

Published on: 11th June, 2020

OCLC Number/Unique Identifier: 8620505552

The new coronavirus SARS-CoV-2 that causes different infections in humans has become a challenge for humanity because it has caused many deaths worldwide. This new virus is considered as a zoonotic infectious particle, the clear mechanisms of the pathogenicity and transmissibility of this virus are not exactly known. Therefore, here some characteristics of a possible transmission are analyzed for house flies.
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COVID-19: The possible medical strategies

Published on: 9th June, 2020

OCLC Number/Unique Identifier: 8620504344

In late 2019, a pandemic crisis started in Wuhan, China, swept the whole world. The disease is caused by the SARS-CoV-19 virus that belongs to the corona family of viruses. The virus mainly caused failure of respiration, and led to many deaths worldwide. The main focus of research and medicine is to find more about the virus, as well as the development of effective preventive and therapeutic measures. While many trials and opinions have been published, which might support or contradict each other, this article tries to provide a simplified viewpoint about the disease. We highly recommend the therapeutic strategies to include drug combinations that can target the pathogenesis at many levels. For example, a combination of an effective anti-viral Remdesivir, soulable ACE2, and an immune modulator.
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Role of nanotechnology in diagnosing and treating COVID-19 during the Pandemic

Published on: 27th May, 2020

The coronavirus disease 2019 (COVID-19) pandemic, caused by the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), began in December 2019 in Wuhan, China. To date, the virus has infected roughly 5,000,000 people and caused approximately 345,000 deaths worldwide, and these numbers are increasing rapidly. Because of the rapid spread and the rising disease burden, several antiviral drugs and immunomodulators are in clinical trials, but no drugs or vaccines have yet been approved against this deadly pandemic. At present, computed tomography scanning and reverse transcription (RT)-PCR are used to diagnose COVID-19, and nanotechnology is being used to develop drugs against COVID-19. Nanotechnology also plays a role in diagnosing COVID-19. In this article, we discuss the role of nanotechnology in diagnosing and potentially treating COVID-19.
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Identifying patterns in COVID-19: Morbidity, recovery and the aftermath

Published on: 25th May, 2020

OCLC Number/Unique Identifier: 8600329092

The infectivity and pathogenesis: SARS-CoV-2, the causative agent of Covid-19, involves Angiotensin-converting enzyme 2 (ACE2) receptors on type II alveolar type 2 (AT2) cells in lungs. Apart from, the upper and lower respiratory tracts, the disease affects the gastrointestinal system prominently, as evidenced by the significant GI symptoms, early in the course of the disease. In addition, the virus infects ACE2-bearing cells in other organs including the heart and blood vessels, brain, and kidneys. Clinical features and morbidity: The clinical spectrum of COVID-19 varies from asymptomatic or pauci-symptomatic presentation to moderate to severe states characterized by respiratory failure necessitating mechanical ventilation and ICU support and those manifesting critical clinical condition with complications like sepsis, septic shock, and multiple organ dysfunction failure. The CT chest is an important tool for early identification of COVID-19 pneumonia as well as for prognostic purposes. The recovery and residual damage: The recovery and other outcomes vary depending on age and other aspects including sex, comorbidities, and genetic factors. The outlook for older adults, who account for a disproportionate share of critical disease, is unfavorable, and most of those who survive are unlikely to return to their previous level of functioning. The disease affects their long-term health and quality of life as well as brings in propensity for truncated post-disease survival. COVID-19 aftermath and follow up: The patients discharged from hospital following severe COVID-19, continue to suffer with lingering impact of the disease as well as that of the emergency treatments that saved their life. The post-infection reduced exercise tolerance and other subtle factors, like post viral fatigue syndrome, post-traumatic stress disorder, impaired concentration, delirium, and disturbed sleep-wake cycle often underly the functional impairment. In fact, there is need of step-down care and later a multidisciplinary support involving regular clinical assessment, respiratory review, physiotherapy, nutritional advice, and psychiatric support. Conclusion: The life after COVID-19: After recovery from the disease, the virus SARS-CoV-2, may persist for uncertain period. In addition, the chance of reinfection cannot be ruled out. The vitamin D supplementation may be helpful. In general, the quality of life (QOL) in ICU survivors improves but remains lower than general population levels, but most of the patients adapt well to their level of self-sufficiency and QOL. Also, the debility due to co-morbidities may further compromise the activity of daily living and QOL issues. The Age and severity of illness appear to be the major predictors of post-discharge physical functioning.
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Risk taking sexual behaviors among young adults – findings from a cross sectional population based survey in Barbados

Published on: 25th May, 2020

OCLC Number/Unique Identifier: 8600330342

Background: The National Strategic Plan for HIV Prevention and Control 2014-2018 recognized the need for the utilization of research findings to guide the development of HIV policies, programs and interventions for the general population and key population groups and to inform the allocation of government resources to the areas of greatest impact and need. To this end, a Knowledge, Attitudes, Beliefs and Sexual Practices Survey (KABP) was conducted among adults’ ages 15 to 49 years. Objectives: To identify the sexual behaviors among adolescents and young adults that exposed them to the risks of HIV/STIs and to identify factors that may have to be addressed, in order to achieve further reduction in the spread of HIV in this population. Methods: This is a population based cross-sectional survey undertaken in 2016. Sample was taken from among persons’ ages 15 – 49 years using a multistage sampling methodology. The survey questionnaire was developed from Family Health International’s guidelines for repeated behavioral surveys in populations at risk of HIV. It was interviewer-administered and consisted of ninety-nine (99) closed-ended questions. The topics covered by the survey included sexual history; use of and access to condoms; and HIV testing. Participants were asked about their sexual behaviors over the last 12 months, and about their experience with their most recent partner. Results: Overall, 87.8% described themselves as heterosexual, 1.2% as bisexual and 0.5% as homosexual. By the age 16, 17 1nd 19 years 25%, 50% and 75% of respondents have had sex respectively. Among the 763 respondents reporting vaginal or anal sex over the past 12 months, 80.6 and 19.4% had a single and multiple sex partner respectively. Also, 94.4%, 13.3% and 1.6% reported to have regular, non-regular and commercial sex partners respectively. Overall, 54.6% used condom at the last sex, the corresponding figure for the regular and non-regular partners were 41.2% 80.8% respectively. Only 40.9% reported to have had a HIV test done over the past 12 months and of those who did not, 42.8% had never been tested for HIV. Conclusion: Inconsistent and infrequent condom use and low HIV testing especially among the adolescents and younger adults, in the setting of young ages at sexual debut and multiple sexual partners. Findings form this study strongly recommends for a much greater effort from the public health at promoting condom use and HIV testing especially targeting the younger persons who risk their own protection and that of their partners.
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