covid 19 News and Research

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SARS-CoV-2 infection damages the CD8+ T cell response to vaccination

The magnitude and quality of a key immune cell's response to vaccination with two doses of the Pfizer-BioNTech COVID-19 vaccine were considerably lower in people with prior SARS-CoV-2 infection compared to people without prior infection, a study has found.

20 Mar 2023

Food insecurity can impair children's learning and educational progression

Indian children's education can be impaired when their households struggle to access enough nutritious food, new research has found.

20 Mar 2023

Poor inflammatory immune response in obese patients increases susceptibility to severe COVID-19

Individuals who are obese may be more susceptible to severe COVID-19 because of a poorer inflammatory immune response, say Cambridge scientists.

20 Mar 2023

COVID-19 patients more likely to develop gastrointestinal disorders

COVID-19 is associated with an increased risk of developing long-term gastrointestinal disorders, including irritable bowel syndrome.

20 Mar 2023

UK Government names two leaders to spearhead new Dementia Mission

The UK Government has named two leaders in dementia research to spearhead the ambitious national Mission to tackle dementia, which was launched in memory of the late Dame Barbara Windsor.

20 Mar 2023

Mobile clinics really got rolling in the pandemic. A new law will help them cast a wider safety net.

Nearly 12 years ago, a nonprofit centered on substance abuse prevention in Lyon County, Nevada, broadened its services to dental care.

20 Mar 2023

Realizing the Importance of Medical Electronic Devices

News Medical speaks to Brian Anthony, co-director of MIT’s Medical Electronic Device Realization Center, about the effect machine learning and sensor technologies have had on medical device engineering, as well as the Bioprocess Data Analytics and Machine Learning course he co-leads at MIT.

From Massachusetts Institute of Technology (MIT) 20 Mar 2023

78% of alcohol-related injury deaths and 59% of hospitalizations among men

This media release contains information some readers may find distressing as it refers to data about alcohol use, assault, suicide and self-harm.

20 Mar 2023

New SARS-CoV-2 Omicron XBB.1.5 variant has high transmissibility and infectivity, study finds

COVID-19 has caused significant global panic after its rapid emergence more than 3 years ago. Although we now have highly effective vaccines against the SARS-CoV-2 virus, which causes COVID-19, scientists continue to study emerging SARS-CoV-2 variants in order to safeguard public health and devise global preventive strategies against emerging variants.

20 Mar 2023

XBB/XBB.1.5 subvariant of SARS-CoV-2 shows increased vaccine sensitivity

The study, currently available on the medRxiv* preprint server, indicates that omicron subvariant XBB/XBB.1.5 is more sensitive to vaccine-induced immunity than other co-circulating SARS-CoV-2 variants.

19 Mar 2023

Inadequate sleep associated with lower vaccine-induced humoral immunity

Researchers assess the association between the duration of sleep and humoral responses to vaccination.

19 Mar 2023

Biomarkers that can predict long COVID symptoms

The current study offered novel insights into the different biological factors that might contribute to long COVID.

19 Mar 2023

Severe COVID-19 increases the risk of developing heart disease later in life

Patients who have been hospitalized with severe COVID-19 have permanent changes in their cholesterol 3 months after recovery, according to a study from the University of Oslo. This increases their risk of developing heart disease later in life.

17 Mar 2023

Is antenatal COVID-19–related stress associated with postpartum maternal mental health and infant outcomes?

Researchers assessed the relationship between COVID-19-associated stress in the antenatal period and the mental well-being of mothers and their infants in the postpartum period.

17 Mar 2023

Stanford researchers study causes of and treatments for long COVID

Time heals many wounds. But not all of them.

17 Mar 2023

What are the associations of COVID-19 policy related economic and schooling disruptions with mental health and sleep in US children?

Researchers investigated whether economic and schooling disruptions associated with COVID-19 mitigation policies and unemployment rates were independently associated with perceived stress, sorrow, and positive stress effect, sleep, and COVID-19-associated worry.

17 Mar 2023

Does vitamin D play an anti-viral role against SARS-CoV-2?

Researchers screened various compounds for anti-viral properties against SARS-CoV-2.

17 Mar 2023

Study confirms the benefit of Paxlovid as an early-stage treatment to prevent COVID-19 hospitalization

A Kaiser Permanente study confirms the benefit of nirmatrelvir-ritonavir, also known as Paxlovid, as an early-stage treatment to prevent hospitalization for people with mild to moderate COVID-19, regardless of prior immunity or age.

17 Mar 2023

Anti-Omicron antibodies are induced by hypermutation with ancestral BNT162b2 COVID vaccine

Scientists from the Republic of Korea have analyzed B-cell receptor repertoires induced by an mRNA-based coronavirus disease 2019 (COVID-19) vaccine and found that somatic hypermutations in B-cell receptor heavy chain are responsible for broadening its specificity for unexposed antigens.

16 Mar 2023

Examining SARS-CoV-2 origin theories

A recent study published in the Journal of Virology summarized the evidence on severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) origin hypotheses.

16 Mar 2023