Severe Acute Respiratory News and Research

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Stinging nettle extract inhibits SARS-CoV-2 cell fusion

In a recent study posted to the bioRxiv* preprint server, researchers at Ghent University and KU Leuven, Belgium, demonstrated that Urtica dioica agglutinin (UDA), a monomeric lectin extracted from stinging nettle rhizomes, inhibited severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants of concern (VOCs) cell to cell fusion.

12 Jul 2022

Comparison of complaints following second and third COVID mRNA vaccine doses

In a recent article posted to the medRxiv* preprint server, investigators in Norway and Sweden compared medical complaints after severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection following second and third dose SARS-CoV-2 vaccinations.

12 Jul 2022

SARS-CoV-2 Omicron BA.5 tropism shifting back to ancestral strains

In a recent study posted to the medRxiv* pre-print server, researchers from Australia and Switzerland gathered data to help track and manage ongoing and future infection waves by new severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variant of concern (VOC) Omicron globally.

12 Jul 2022

Mild to moderate COVID causes inflammation of white matter in brain ten months later

In a recent work published in the medRxiv* preprint server, scientists in Germany performed neuropsychological evaluations and brain imaging of people who recovered from mild to moderate coronavirus disease 2019 (COVID-19).

12 Jul 2022

Do COVID vaccines affect the menstrual cycle?

In a recent study posted to the medRxiv* pre-print server, researchers in the United States (US) estimated the association between severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) vaccination and menstrual cycle length in a large cohort of participants across the US.

12 Jul 2022

Scientists investigate impact of SARS-CoV-2 RBD mutations across variants

In a recent study posted to the medRxiv* pre-print server, Australian researchers comprehensively investigated the impact of 39 receptor-binding-domain (RBD) mutations in six severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) variants of concern (VOCs) and variants of interest (VOIs).

12 Jul 2022

Persistence of SARS-CoV-2 in tissues leads to long COVID

PASC is likely the result of long-term persistence of SARS-CoV-2 in various tissues

11 Jul 2022

Pregnant women at increased risk of COVID-19 severity

Researchers assessed the severity of SARS-CoV-2 infections during pregnancy in Ontario, Canada.

11 Jul 2022

How can we define early COVID-19 reinfections?

In a new study, researchers investigated coronavirus disease 2019 reinfections.

11 Jul 2022

How does the belief that vaccination will end the COVID-19 pandemic relate to vaccination intent?

Researchers explored the intent and belief in COVID-19 vaccination in the Netherlands.

11 Jul 2022

Study reveals sex-based differences in the clinical outcomes of COVID-19 in the US

Researchers investigated sex-based differences among COVID-19 patients in the United States.

11 Jul 2022

What is the effectiveness of the fourth dose mRNA vaccination against the Omicron variant?

Researchers evaluated the efficacy of the fourth vaccine dose against COVID-19.

11 Jul 2022

SARS-CoV-2 spike protein downregulates ACE2 expression

In a new study, researchers observed the downregulation of ACE2 by SARS-CoV-2.

11 Jul 2022

Study assesses the potential of plant secondary metabolites as potential anti-COVID-19 agents

A new study has focused on identifying plant secondary metabolites (PSM) having a higher affinity for S-RBD of SARS-CoV-2.

11 Jul 2022

Early detection of SARS-CoV-2 variants via wastewater sequencing uncovers cryptic transmission

In a recent study published in the Nature journal, researchers assessed severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) transmission using wastewater sequencing.

11 Jul 2022

Experimental model reveals possible causes and treatments for long-COVID

In a recent study published in the journal Science Translational Medicine, researchers characterized long-term pulmonary consequences of severe acute respiratory syndrome coronavirus 2 (SARS‐CoV‐2) mouse-adapted strain (MA10) infection in BALB/c laboratory mice.

11 Jul 2022

New data on duration of protection afforded by natural SARS-CoV-2 infection

In a recent study posted to the medRxiv* preprint server, researchers investigated the immune protection against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) natural reinfection.

11 Jul 2022

Immune response after mild COVID

In a recent study posted to the medRxiv* preprint server, researchers in Germany assessed the immunity elicited by a mild severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection.

10 Jul 2022

Study highlights need to prioritize immunocompromised COVID patients

In a recent Morbidity and Mortality Weekly Report (MMWR) published on the United States Center for Disease Control and Prevention (US-CDC) website, researchers evaluated whether severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2)-infected immunocompromised individuals are at a higher risk of intensive care unit (ICU) admission and death.

10 Jul 2022

High prevalence of persistent cardiovascular symptoms in COVID-19 recovered patients according to new study

Scientists recently conducted a study on community-dwelling adults to determine the prevalence and risk factors of long-term cardiovascular symptoms in COVID-19 recovered individuals.

8 Jul 2022