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SARS-CoV-2 in the exhaled breath of COVID-19 patients might be mainly transmitted via respiratory droplets

Researchers found evidence that SARS-CoV-2 particles are released directly into the air through the breathing of COVID-19 patients resulting in respiratory transmission of the virus.

8 Feb 2022

Evidence from a major US metropolitan area on home testing and risk factors for acquisition of SARS-CoV-2 infection

A new study analyzed the risk factors for acquiring COVID-19 in a large, prospective cohort of adult residents in the Boston metropolitan area.

8 Feb 2022

Impact of SARS-CoV-2 infection in pregnant women on maternal and perinatal outcomes

Researchers conducted a retrospective cohort analysis by reviewing medical records of pregnant women to examine the impact of SARS-CoV-2 maternal infection on maternal and perinatal outcomes.

8 Feb 2022

Transmission dynamics of Omicron SARS-CoV-2 variant in England during January 2022

Researchers utilized data from the recent rounds of the REACT-1 study to document the transmission dynamics of SARS-CoV-2, mainly focusing on the Omicron variant in England during January 2022.

8 Feb 2022

SARS-CoV-2 cytokine storm inhibited by curcumin nanoparticles

In a recent study published in the journal ACS Applied Bio Materials, researchers demonstrated the inhibitory potential of curcumin-encapsulated polysaccharide nanoparticles (CUR−PS-NPs) against severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) spike protein (CoV2-SP)-stimulated cytokine storm in lung and liver epithelial cells.

8 Feb 2022

Study shows chronic alcohol consumption as a potential risk factor for SARS-CoV-2-infection

In a study posted to the bioRxiv* preprint server, a team of researchers from Germany studied the expression data of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) infection-relevant genes such as angiotensin-converting enzyme 2 (ACE2), transmembrane serine protease 2 (TMPRSS2), and the G-protein coupled receptor Mas in an alcohol-exposed rodent model infected with SARS-CoV-2.

7 Feb 2022

Fever the dominant symptom in SARS-CoV-2 Alpha- and Delta-infected children

Researchers assess the different clinical symptoms of SARS-CoV-2 infection in children and adolescents across different time periods.

7 Feb 2022

Omicron sequences containing Delta mutation detected during SARS-CoV-2 genomic surveillance

This research letter published in Emerging Infectious Diseases warns scientists to interpret unusual mutations with caution.

7 Feb 2022

USP22 crucial for type III interferon signaling and SARS-CoV-2 infection

In a recent study posted to the bioRxiv* pre-print server, a team of researchers demonstrated that ubiquitin-specific peptidase 22 (USP22) is a crucial regulator of basal interferon (IFN) signaling in native human intestinal epithelial cells (hIECs).

7 Feb 2022

Study looks at rapid antigen vs. PCR tests in the emergency department triage

In a recent study posted to the Lancet preprint* server, researchers assessed the utility of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) rapid antigen testing (RAT) for patient triage in the hospital emergency department (ED).

7 Feb 2022

Vaccine-induced immunity and prior infection effective in reducing COVID severity in reinfections

A recent study posted to the Research Square* preprint server and under consideration for inclusion in the journal Scientific Reports assessed the epidemiology of severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2) reinfections.

6 Feb 2022

First case of avian influenza A(H5N1) in asymptomatic flock owner in Europe

Following an outbreak of highly pathogenic avian influenza A(H5N1) in a flock of around 125 Muscovy ducks in a domestic setting in South West England on 22 December 2021, the virus was later also confirmed in the asymptomatic flock owner.

6 Feb 2022

Detection of SARS-CoV-2 Delta variant infection in a domestic cat

The first published case describing the Delta variant of the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in a domestic cat in the United States highlights the realistic scenario of spillover infections with emerging viral variants that threaten human and animal health.

6 Feb 2022

Greater neutralizing titers observed in vaccinated individuals with breakthrough Omicron infection

Researchers assess the neutralizing power of plasma samples collected from Omicron convalescent individuals who were either vaccinated or unvaccinated.

6 Feb 2022

Many COVID-19 patients still contagious after five days

A new study shows that a high proportion of individuals still test positive for SARS-CoV-2 infection using RATs after five days of quarantine.

6 Feb 2022

Exploring the comparative efficacy of booster vaccines against SARS-CoV-2 Omicron and Delta variants

In a new study, researchers assessed the effectiveness of SARS-CoV-2 Omicron and Delta variants.

4 Feb 2022

Investigation of SARS-CoV-2 outbreak in UK office highlights the need for a site-specific COVID-19 prevention strategy

In a new study, researchers comprehensively investigated a public-facing office in England where a SARS-CoV-2 outbreak occurred during August-September 2021 to identify workplace and worker-related risk factors.

4 Feb 2022

Researchers suggest that visible blue light is a safe and variant-agnostic therapy against SARS-CoV-2

In a new study, researchers showed that 425 nm blue light can inactivate all major SARS CoV 2 variants.

4 Feb 2022

Study shows SARS-CoV-2 infection can change nasopharyngeal microbiota composition in pregnancy

A recent study from Spain showed that the infection with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) can change the overall structure and diversity of the nasopharyngeal microbiota in pregnant women – which persists even weeks after clinical infection. The paper is currently available on Research Square preprint* server.

3 Feb 2022

Understanding public responses to UK's COVID test, trace and isolate measures

Researchers investigate the public behaviors in response to the United Kingdom test, trace, and isolate (TTI) policy in July 2021.

3 Feb 2022

Polymerase News and Research

SARS-CoV-2 in the exhaled breath of COVID-19 patients might be mainly transmitted via respiratory droplets

Evidence from a major US metropolitan area on home testing and risk factors for acquisition of SARS-CoV-2 infection

Impact of SARS-CoV-2 infection in pregnant women on maternal and perinatal outcomes

Transmission dynamics of Omicron SARS-CoV-2 variant in England during January 2022

SARS-CoV-2 cytokine storm inhibited by curcumin nanoparticles

Study shows chronic alcohol consumption as a potential risk factor for SARS-CoV-2-infection

Fever the dominant symptom in SARS-CoV-2 Alpha- and Delta-infected children

Omicron sequences containing Delta mutation detected during SARS-CoV-2 genomic surveillance

USP22 crucial for type III interferon signaling and SARS-CoV-2 infection

Study looks at rapid antigen vs. PCR tests in the emergency department triage

Vaccine-induced immunity and prior infection effective in reducing COVID severity in reinfections

First case of avian influenza A(H5N1) in asymptomatic flock owner in Europe

Detection of SARS-CoV-2 Delta variant infection in a domestic cat

Greater neutralizing titers observed in vaccinated individuals with breakthrough Omicron infection

Many COVID-19 patients still contagious after five days

Exploring the comparative efficacy of booster vaccines against SARS-CoV-2 Omicron and Delta variants

Investigation of SARS-CoV-2 outbreak in UK office highlights the need for a site-specific COVID-19 prevention strategy

Researchers suggest that visible blue light is a safe and variant-agnostic therapy against SARS-CoV-2

Study shows SARS-CoV-2 infection can change nasopharyngeal microbiota composition in pregnancy

Understanding public responses to UK's COVID test, trace and isolate measures

Achieving and maintaining ISO/IEC 27001 and BS 10012 certifications

Expanding research and clinical options for children with cancer

Examining how pain could play a direct protective role in the gut

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