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What is the frequency of COVID testing to prevent Delta variant transmission?

In a new study published on the medRxiv* preprint server, scientists have used available data on the Delta variant’s viral load to infer its infectiousness and, subsequently, estimate the reduction in its transmission brought about by surveillance testing. The testing, done at different frequencies, was performed on a susceptible population. The cases of both the original Wuhan strain and the Delta variant were considered.

6 Oct 2021

Researchers discover unique self-destructive process in aging nematode worms

As worm mothers age, they secrete a milk-like fluid through their vulva that is consumed by their offspring and supports their growth, according to a new study led by UCL researchers.

6 Oct 2021

SARS-CoV-2 variants of concern more virulent than the native strain of the virus

A large study from Ontario confirms that SARS-CoV-2 variants of concern (VOCs), especially the Delta variant, are more virulent than the native strain of the virus, increasing people's risk of hospitalization, admission to the intensive care unit (ICU) and death due to COVID-19.

5 Oct 2021

Fertility treatment compromised in women with undiagnosed endometriosis

Women with undiagnosed endometriosis will have difficulty falling pregnant without IVF, according to a University of Queensland study.

5 Oct 2021

Researchers discover how a genetic mutation in mice and monkeys interferes with viruses

A nationwide team of researchers, led by scientists at University of Utah Health and The Rockefeller University, has determined how a genetic mutation found in mice and monkeys interferes with viruses such as HIV and Ebola.

30 Sep 2021

Potential covalent SARS-CoV-2 spike protein inhibitors

There remains a significant need for new and effective drugs that can be used to treat COVID-19.

23 Sep 2021

COVID-19 transmission is higher with warm weather and increased visits to indoors public places, study finds

A new study finds that environmental factors and human mobility predict seasonal changes in COVID-19 rates, just as in influenza and similar diseases.

23 Sep 2021

Comparison of recombinant SARS-CoV-2 receptor binding domain produced in mammalian, insect, and bacterial cells

In a recent study, RBD produced in various cell types are characterized in-depth, comparing their applicability for future COVID-19 research.

21 Sep 2021

What impact has SARS-CoV-2 variant B.1.1.519 had on Mexico City?

The current study reports the effective reproduction number of B.1.1.519 and presents its geographical origin based on phylogenetic analysis.

20 Sep 2021

Pairing bacteriophages with antibiotics to fight drug-resistant pathogens

Mycobacterium abscessus, a relative of the bacteria that cause tuberculosis and leprosy, is responsible for particularly severe damage to human lungs and can be resistant to many standard antibiotics, making infections extremely challenging to treat.

18 Sep 2021

What pushed Israel out of herd immunity?

Scientists have recently tried to explain the factors that could be responsible for the recent outbreaks of COVID-19 in Israel.

17 Sep 2021

Meat dependence reduced population density of hunter-gatherer groups

A new study by the ICTA-UAB establishes that the population density of hunter-gatherer groups was reduced where they depended heavily on meat to survive.

12 Sep 2021

UGA research offers hope for a viable therapeutic to combat COVID-19

As COVID-19 cases continue to skyrocket across the U.S. and the world, few options are available for treating patients infected with the SARS-CoV-2.

11 Sep 2021

Researchers use amphibian foam to deliver drugs for the first time

Amphibian foam has been used in drug delivery for the first time by researchers, which could help to combat the rise of antimicrobial resistance.

9 Sep 2021

Research probes interaction between SARS-CoV-2 and influenza

Researchers from Germany and France tried to determine if epidemiological studies based on co-detection prevalence data can offer a reliable estimation of interactions among respiratory viruses. They designed a simulation study by building on a general epidemiological model of co-circulation of 2 respiratory viruses that cause seasonal epidemics.

8 Sep 2021

Increase in social stress may be connected to global population decline

A University of Massachusetts Amherst environmental health scientist has developed an "overlooked hypothesis" to help explain the projected global population decline beginning in 2064: social stress.

7 Sep 2021

Optimized strategy for generating male germ-cells from mouse pluripotent stem cells

For species that rely on sexual reproduction, including mice and men, offspring can only happen if sperm from the male fertilize eggs from the female.

7 Sep 2021

Study explores how couples regard fertility and family formation

The view of one's own fertility and having children has significantly changed in the last 60 years. In a new study, researchers engaged with more than one hundred Swedes between the ages of 17-90 to discuss how they regard fertility and family formation.

7 Sep 2021