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Single mRNA vaccine dose may be enough for those previously exposed to SARS-CoV-2

New research supports the notion that those who have recovered from COVID-19, caused by SARS-CoV-2 infection, may only need one dose of an mRNA vaccine to boost immunity.

10 Mar 2021

Neutralizing antibodies may be evolving to keep up with SARS-CoV-2 mutations

Viruses evolve under increased pressure, and new research from The Rockefeller University and University of Massachusetts Medical School in the U.S. suggests our antibodies can as well.

10 Mar 2021

mRNA COVID-19 vaccines show high efficacy in pregnancy and lactation

A reassuring study reports the immunogenicity and lack of reactogenicity of the coronavirus disease 2019 (COVID-19) vaccine when given to this group of subjects. This will contribute to the sum of knowledge about the implications of vaccination in this high-risk cohort.

10 Mar 2021

How likely is SARS-CoV-2 reinfection?

The coronavirus disease 2019 (COVID-19) pandemic has already caused over 117.6 million confirmed cases the world over. Yet, researchers debate the exact incidence of reinfection with the severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), COVID-19’s causative pathogen.

10 Mar 2021

Pfizer COVID-19 vaccine elicits antibodies in blood and breastmilk simultaneously, finds study

A new study adds to the sum of knowledge around this issue, showing a highly synchronized and rapid development of an antibody response in breast milk and serum, which reached stable levels around two weeks after the second dose of the vaccine was administered.

10 Mar 2021

Tiny antibodies naturally generated by llamas can be effective against COVID-19

As the fight against COVID-19 continues, scientists have turned to an unlikely source for a potentially effective treatment: tiny antibodies naturally generated by llamas.

10 Mar 2021

COVID-19 pandemic caused changes in people’s physical activity levels and wellbeing

According to an international study published in Frontiers in Psychology, people around the world have reported changes in their physical activity levels, wellbeing, and eating habits during the first stages of the COVID-19 pandemic.

10 Mar 2021

New SARS-CoV-2 vaccine candidate produces strong immune response, prevents SARS-CoV-2 infection

A new SARS-CoV-2 vaccine candidate, developed by giving a key protein's gene a ride into the body while encased in a measles vaccine, has been shown to produce a strong immune response and prevent SARS-CoV-2 infection and lung disease in multiple animal studies.

10 Mar 2021

Delaying second doses of COVID-19 vaccines has benefits, but longer-term results rely on robust immunity

Delaying second doses of COVID-19 vaccines should reduce case numbers in the near term.

10 Mar 2021

Researchers discover new COVID-19 variants in three South African provinces

Variants of the coronavirus are appearing in different parts of the world, many of them spreading with alarming speed.

10 Mar 2021

Research demonstrates multivalent nanobodies overcome SARS-CoV-2 variant mutations

In a recent bioRxiv* preprint paper, researchers isolated anti-RBD nanobodies from llamas and “nanomice” (they engineered to produce VHHs cloned from alpacas, dromedaries and camels).

10 Mar 2021

Study: COVID-19 test package can reduce infections and mortality at justifiable cost

Mailing a package of SARS-CoV-2 tests to every household in America and asking people to use them once a week could greatly reduce total infections and mortality at a justifiable cost, a new study led by the Yale School of Public Health finds.

10 Mar 2021

Analysis shows moderate evidence for SARS-CoV-2 recombination

Recently, a team of researchers from the US performed a comprehensive recombination analysis across all medically relevant human coronaviruses, including 158,118 public seasonal hCoV, SARS-CoV-1, SARS-CoV-2, and MERS-CoV genome sequences with the help of the RDP4 software. They aimed at identifying the current and future risks of the emergence of recombinants of SARS-CoV-2

10 Mar 2021

New study assesses the effects of one versus two doses of COVID-19 vaccine

While receiving just one dose of a two-dose SARS-CoV-2 vaccine tends to decrease infections in the short-term if it produces a strong immune response, it may increase the potential for the virus to "escape" therapies in the longer-term if one-dose vaccinal immunity is weak.

9 Mar 2021

2% of individuals carry 90% of SARS-CoV-2 virions: Study of 72,500 tests

In a new study published on the medRxiv* preprint server, researchers analyzed viral loads from pre-symptomatic and asymptomatic individuals in an extensive university surveillance program.

9 Mar 2021

SARS-CoV-2 variants rapidly arise in non-human hosts, potential risk for human reinfection

The study, published on the preprint server bioRxiv*, highlights the need to study viral evolution and pathogenesis in human and animal hosts. This could help prevent future outbreaks that may mimic the magnitude of the current COVID-19 pandemic.

9 Mar 2021

Scientists study seven human coronavirus envelope proteins using topology prediction and molecular modeling

A new study by researchers at the University of the Western Cape aimed to determine why some coronaviruses are more virulent than others. The team speculates that the increased flexibility of the PDZ-binding motif (PBM) of SARS-CoV, MERS-CoV, and SARS22 CoV-2 to be more flexible than the PBM of hCoVs 229E, NL63, OC43, and HKU1.

9 Mar 2021

New analysis shows SARS-CoV-2 mutations rarely persist in subsequent transmissions

An analysis of SARS-CoV-2 genome diversity in more than 1,000 people in the United Kingdom suggests that if viral mutations do arise, they can be transmitted in some cases but they rarely persist in subsequent transmissions.

9 Mar 2021

Vaccine mRNA not found in breast milk after COVID mRNA vaccination

A study conducted by researchers in the United States has found no evidence to suggest that the messenger RNA (mRNA) present in the Pfizer-BioNTech and Moderna vaccines that protect against coronavirus disease 2019 (COVID-19) can be transferred to human breast milk.

9 Mar 2021

UK variant of SARS-CoV-2 could be more deadly than previous strains

Researchers have conducted a study showing that the B.1.1.7 variant of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) that has emerged in the UK is associated with a significantly increased risk of death compared with the viral strain previously circulating in the country.

9 Mar 2021

SARS News and Research

Single mRNA vaccine dose may be enough for those previously exposed to SARS-CoV-2

Neutralizing antibodies may be evolving to keep up with SARS-CoV-2 mutations

mRNA COVID-19 vaccines show high efficacy in pregnancy and lactation

How likely is SARS-CoV-2 reinfection?

Pfizer COVID-19 vaccine elicits antibodies in blood and breastmilk simultaneously, finds study

Tiny antibodies naturally generated by llamas can be effective against COVID-19

COVID-19 pandemic caused changes in people’s physical activity levels and wellbeing

New SARS-CoV-2 vaccine candidate produces strong immune response, prevents SARS-CoV-2 infection

Delaying second doses of COVID-19 vaccines has benefits, but longer-term results rely on robust immunity

Researchers discover new COVID-19 variants in three South African provinces

Research demonstrates multivalent nanobodies overcome SARS-CoV-2 variant mutations

Study: COVID-19 test package can reduce infections and mortality at justifiable cost

Analysis shows moderate evidence for SARS-CoV-2 recombination

New study assesses the effects of one versus two doses of COVID-19 vaccine

2% of individuals carry 90% of SARS-CoV-2 virions: Study of 72,500 tests

SARS-CoV-2 variants rapidly arise in non-human hosts, potential risk for human reinfection

Scientists study seven human coronavirus envelope proteins using topology prediction and molecular modeling

New analysis shows SARS-CoV-2 mutations rarely persist in subsequent transmissions

Vaccine mRNA not found in breast milk after COVID mRNA vaccination

UK variant of SARS-CoV-2 could be more deadly than previous strains

How can microdialysis benefit drug development

Global and Local Efforts to Take Action Against Hepatitis

Addressing Important Cardiac Biology Questions with Shotgun Top-Down Proteomics

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