SARS-CoV-2 Genetic Variant May Be More Transmissible
SARS-CoV-2 Genetic Variant May Be More Transmissible
The so-called 614G mutation in the viral spike protein does not appear to cause more severe cases of COVID-19, but multiple studies indicate that it could be more contagious.
SARS-CoV-2 Genetic Variant May Be More Transmissible
SARS-CoV-2 Genetic Variant May Be More Transmissible

The so-called 614G mutation in the viral spike protein does not appear to cause more severe cases of COVID-19, but multiple studies indicate that it could be more contagious.

The so-called 614G mutation in the viral spike protein does not appear to cause more severe cases of COVID-19, but multiple studies indicate that it could be more contagious.

disease & medicine
Immunity to SARS-CoV-2 Lasts at Least Six Months, Data Show
Immunity to SARS-CoV-2 Lasts at Least Six Months, Data Show
Ashley Yeager | Nov 23, 2020
Half a year after infection, people who had recovered from COVID-19 had robust antibodies, along with traces of the virus in their gut, which may drive long-lasting immunity.
Q&A: COVID-19 Infectiousness Peaks Early in Sickness, Study Shows
Q&A: COVID-19 Infectiousness Peaks Early in Sickness, Study Shows
Max Kozlov | Nov 23, 2020
Patients’ viral loads are highest within five days of their first symptoms, emphasizing the need to isolate early to prevent transmission.
Alzheimer’s-Linked Mutation Causes Blockages in Neurons
Alzheimer’s-Linked Mutation Causes Blockages in Neurons
Ian Le Guillou | Nov 20, 2020
The variant causes a buildup of BACE1 protein in axons in cultured neurons and mice. Researchers say it might be time to rethink failed trials that inhibit BACE1 to treat the neurodegenerative disease.
Mosquitos in Asia and the Americas More Susceptible to Zika Virus
Mosquitos in Asia and the Americas More Susceptible to Zika Virus
Abby Olena | Nov 19, 2020
A study explains how Zika was present among mosquitoes in Africa for decades without causing the harm to human health seen outside the continent in recent years.
Breastmilk Harbors Antibodies to SARS-CoV-2
Breastmilk Harbors Antibodies to SARS-CoV-2
Ashley Yeager | Nov 17, 2020
An abundance of immunoglobulin antibodies, and a paucity of viral RNA, in breastmilk offer evidence that women can safely continue breastfeeding during the pandemic.
Moderna’s COVID-19 Vaccine 94 Percent Effective: Initial Data
Moderna’s COVID-19 Vaccine 94 Percent Effective: Initial Data
Max Kozlov | Nov 16, 2020
The results mark the second experimental COVID-19 vaccine to show high efficacy, but the study is not complete and the data have not been peer reviewed.
Q&A: Minks Can Transmit SARS-CoV-2 to Humans, Study Shows
Q&A: Minks Can Transmit SARS-CoV-2 to Humans, Study Shows
Max Kozlov | Nov 13, 2020
Whole genome sequencing of the virus infecting the farm animals showed that it spread from the workers to the mink and back, indicating that an animal could serve as a viral reservoir.
SARS-CoV-2 Exits Cells Via Lysosomes
SARS-CoV-2 Exits Cells Via Lysosomes
Abby Olena | Nov 13, 2020
A study finds that β-coronaviruses don’t use the normal secretory pathway, a possible explanation for some aspects of COVID-19 pathology.
Common Cold Coronaviruses Tied to Less Severe COVID-19 Cases
Common Cold Coronaviruses Tied to Less Severe COVID-19 Cases
Anthony King | Nov 11, 2020
Outcomes in COVID-19 patients may be better in those recently infected with endemic coronaviruses.