lunes, 31 de agosto de 2020

Coronavirus [NEW TOPIC PAGE]

Hot Topics of the Day|PHGKB


For every 1,000 people infected with the coronavirus who are under the age of 50, almost none will die. For people in their fifties and early sixties, about five will die — more men than women. The risk then climbs steeply as the years accrue. For every 1,000 people in their mid-seventies or older who are infected, around 116 will die.
Development and evaluation of a rapid CRISPR-based diagnostic for COVID-19.
Hou Tieying et al. PLoS pathogens 2020 Aug (8) e1008705
We developed a rapid and sensitive diagnostic for SARS-CoV-2 infection, and compared it to sequencing-based metagenomic and RT-PCR-based assays in a clinical cohort. The test demonstrated a sensitivity level of near single copy and was highly specific without cross reacting to related pathogens. It takes only 40 mins and provides a valuable alternative to the conventional RT–PCR assay to circumvent the bottlenecks in assay turnaround time.
People with moderate to severe asthma may be at higher risk of getting very sick from COVID-19. COVID-19 can affect your nose, throat, lungs (respiratory tract); cause an asthma attack; and possibly lead to pneumonia and acute respiratory disease.
A recent study suggests that pregnant women with COVID-19 are more likely to be hospitalized and are at increased risk for intensive care unit (ICU) admission and receipt of mechanical ventilation than nonpregnant women. Risk of death is similar for both groups. But much remains unknown.
We developed P-BEST - a method for Pooling-Based Efficient SARS-CoV-2 Testing which identifies all positive subjects within a large set of samples using a single round of testing. Each sample is assigned into multiple pools using a combinatorial pooling strategy based on compressed sensing designed for maximizing carrier detection.
Inspired by a mother’s question, the new method will be introduced across Israel this fall, just in time for flu season, and could be coming soon to the U.S.

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