Summary

On 11 March 2020, the World Health Organization declared COVID-19 a global pandemic, and the disease now affects nearly every country and region. Caused by SARS-CoV-2, COVID-19 continues nearly 18 months later to present significant challenges to health systems and public health in both hemispheres, as well as the economies of every country. The morbidity and mortality of the infection caused by SARS-CoV-2 has been significant, and various waves of disease outbreaks initially overwhelmed many hospitals and clinics and continue to do so in many countries. This influences everyone, and public health countermeasures have been dramatic in terms of their impact on employment, social systems, and mental health. This entry collection aims to gather diverse fields about COVID-19, including in epidemiology, public health, medicine, genetics, systems biology, informatics, data science, engineering, sociology, anthropology, nursing, environmental studies, statistics, and psychology.

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Entries
Topic Review
Innate Immunity and SARS-CoV-2 Infection
The innate immune system is important for initial antiviral response. SARS-CoV-2 can result in overactivity or suppression of the innate immune system. A dysregulated immune response is associated with poor outcomes; with patients having significant Neutrophil-to-Lymphocyte ratios (NLR) due to neutrophilia alongside lymphopenia. Elevated cytokines like interleukin (IL)-6 and IL-8 leads to overactivity and is a prominent feature of severe COVID-19 patients. Several factors like pre-existing co-morbidities, genetic risks, viral pathogenicity, and therapeutic efficacy act as important modifiers of SARS-CoV-2 risks for disease through an interplay with innate host inflammatory responses. In this review, we discuss the role of the innate immune system at play with other important modifiers in SARS-CoV-2 infection.
  • 524
  • 21 Jun 2021
Topic Review
Intimate Partner Violence during COVID-19
Domestic violence abuse (DVA) is a widespread public health problemthat includes different kinds of abuse, such as that upon elderly individuals and children in the family, while intimate partner violence (IPV) refers to violence by a current or former spouse or partner in an intimate relationship with the victim. IPV can be physical, psychological, sexual, or economic and can have negative health consequences on the victim. Social isolation is considered one of the main risk factors leading to intimate partner violence episodes; this evidence also emerged during the application of stay-at-home policies to contain the COVID-19 pandemic.
  • 560
  • 17 Jun 2021
Topic Review
Nutrition in Actual COVID-19 Pandemic
The pandemic of Coronavirus Disease 2019 (COVID-19) has shocked world health authorities generating a global health crisis. A direct impact on the normal life of people around the world was produced by the actual pandemic with restrictive policies like lockdown, the use of protective masks, and limitations of personal movement. The COVID-19 lockdown promoted unhealthy dietary changes and increases in body weight of the population, showing obesity and low physical activity levels as increased risk factors of COVID-19 affection and physiopathology. In addition, hospitalized COVID-19 patients presented malnutrition and deficiencies in vitamin C, D, B12 selenium, iron, omega-3, and medium and long-chain fatty acids highlighting the potential health effect of vitamin C and D interventions. 
  • 376
  • 17 Jun 2021
Topic Review
Thromboembolic complications of SARS-CoV-2
Covid-19 has the potential to cause severe damage to many tissues, including systemic inflammatory response syndrome (SIRS), acute respiratory disease syndrome (ARDS), multiorgan involvement, and shock. One of the most feared complications are thromboembolic events which lead to severe clinical phenotypes: worsening of pulmonary conditions, oxygen desaturation, and acute respiratory distress. Management choices should be considered according to the critical or chronic setting.                             Main pathophysiological mechanisms underlying thrombosis from Covid-19 are discussed, including metabolic derangements and hormonal factors.
  • 492
  • 17 Jun 2021
Topic Review
Serology in SARS-CoV-2 Infection
SARS-CoV-2/Coronavirus 2019 (COVID-19) is responsible for the pandemic, which started in December 2019. In addition to the typical respiratory symptoms, this virus also causes other severe complications, including neurological ones. In diagnostics, serological and polymerase chain reaction tests are useful not only in detecting past infections but can also predict the response to vaccination. It is now believed that an immune mechanism rather than direct viral neuroinvasion is responsible for neurological symptoms. For this reason, it is important to assess the presence of antibodies not only in the serum but also in the cerebrospinal fluid (CSF), especially in the case of neuro-COVID. A particular group of patients are people with multiple sclerosis (MS) whose disease-modifying drugs weaken the immune system and lead to an unpredictable serological response to SARS-CoV-2 infection. Based on available data, the article summarizes the current serological information concerning COVID-19 in CSF in patients with severe neurological complications and in those with MS. 
  • 571
  • 06 Feb 2022
Topic Review
Repurposing Anticancer Drugs against COVID-19
The pandemic of the coronavirus disease 2019 (COVID-19) represents an unprecedented challenge to identify effective drugs for prevention and treatment. Due to the similarity of cancer-induced inflammation, immune dysfunction, and coagulopathy to COVID-19, anticancer drugs, such as Interferon, Pembrolizumab or Bicalutamide, are already being tested in clinical trials for repurposing, alone or in combination.
  • 455
  • 15 Jun 2021
Topic Review
Impact of COVID-19 on Social/Health/Economy
The COVID-19 pandemic is the most large-scale pandemic on earth this century, and the impact in all life sectors is devasting and directly affected human activity in the first wave. The impact on the economy, social care systems, and human relationships is causing an unprecedented global crisis. SARS-CoV-2 has a strong direct acute impact on population health, not only at the physiological level but also at the psychological level for those who suffer it, those close to them, and the general population, who suffer from the social consequences of the pandemic. In this line, the economic recession increased, even more, the social imbalance and inequity, hitting the most vulnerable families, and creating a difficult context for public institutions to address. 
  • 1.7K
  • 15 Jun 2021
Topic Review
Pre-Eclampsia in SARS-CoV-2 pregnant woman
Pre-eclampsia (PE) is a hypertensive disorder of pregnancy (>140/90 mmHg), occurring after 20th week of gestation associated to proteinuria and/or other complications. PE is a multifactorial disease whose pathogenes. COVID-19 has the same pathological characteristics. Whereas PE and COVID-19 have overlapping clinical features, a role for SARS-CoV-2 as a leading cause of pre-eclampsia in COVID-19 positive pregnant women has not been clarified yet but there is the possibility to existence of such a link.
  • 526
  • 07 Jun 2021
Topic Review
Neonatal SARS-CoV-2 Infection
The recent viral pandemic in Wuhan, Hubei, China has led to the identification of a new species of beta-coronaviruses, able to infect humans, the 2019-nCoV, later named SARS-CoV-2. SARS-CoV-2 causes a clinical syndrome named COVID-19, which presents with a spectrum of symptoms ranging from mild upper respiratory tract infection to severe pneumonia, with acute respiratory distress syndrome and death. All age groups are susceptible to the infection, but children, especially infants, seem to be partially spared, having a more favorable clinical course than other age groups. There is currently no clear evidence showing vertical transmission and intrauterine SARS-CoV-2 infection in fetuses of women developing COVID-19 pneumonia in late pregnancy, and even if transmission is possible, the SARS-CoV2 positivity of the mother does not require delivery by caesarean section, does not contraindicate the management of the infant in rooming-in and allows breastfeeding.
  • 473
  • 23 Jun 2021
Topic Review
Public Attitudes towards COVID-19 Vaccination
Major hindrances to getting a COVID-19 vaccine include vaccine hesitancy, skepticism, refusal, and anti-vaccine movements. Several studies have been conducted on attitudes of the public towards COVID-19 vaccines and the potential influencing factors.
  • 911
  • 01 Jun 2021
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