Dust may be an efficient matrix for environmental monitoring of SARS-CoV-2

A new viral disease surveillance tool: Indoor dust as a matrix for surveillance of COVID-19, published in mSystems. Throughout the COVID-19 pandemic, large scale monitoring of SARS-CoV-2 has helped to prevent spread and inform public health decisions. This has largely been done through individual sampling (ie nasal and saliva sample collection) and through environmental surveillance …

Compilation of guidance (from a few sources) on School Reopening

About a month ago I posted a request for information about guidance for school reopening. See the post here: https://microbe.net/2021/02/06/compiling-information-about-covid19-transmission-masks-filtration-schools-etc/ I spent a while looking at the responses and also soliciting some more and ended up with a few really good documents / sites with information about school reopening.  These are Schools for Health. From …

Compiling Information about COVID19 transmission, masks, filtration, schools, etc.

UPDATE March 24, 2021. Wrote a summary post here: https://microbe.net/2021/03/24/compilation-of-guidance-from-a-few-sources-on-school-reopening/    Trying to collect some of the various information about COVID19 transmission and related topics including masks, schools, CO2, variants, etc. Mostly from Twitter threads and News articles Masks Wall Street Journal: Double Face Masks? N95? Protect Yourself Against New Covid-19 Variants With These Mask …

Wanted – science driven guidelines for deciding if and how to keep open / reopen schools re: #COVID19

I am compiling some materials on science driven guidelines for how to decide if and how to keep open and/or reopen schools in the face of COVID19. Here are some I have compiled that I seem to be useful.  I would love other examples. (Updated 12/21 at 3 PM) National Academy of Sciences Reopening K-12 …

#COVID19 Journal Club “Evidence of Long-Distance Droplet Transmission of SARS-CoV-2 by Direct Air Flow in a Restaurant in Korea”

This one has been getting a lot of popular media attention… and really the title says it all “Evidence of Long-Distance Droplet Transmission of SARS-CoV-2 by Direct Air Flow in a Restaurant in Korea”.  This study describes a transmission that took place at over 20 feet in only 5 minutes… both problematic considering the standard …

#COVID19 Journal Club: “Severe acute respiratory syndrome coronavirus 2 RNA contamination of inanimate surfaces and virus viability in a health care emergency unit”

Another quick post here.  “Severe acute respiratory syndrome coronavirus 2 RNA contamination of inanimate surfaces and virus viability in a health care emergency unit.” One of several studies that have found the presence of viral RNA in a healthcare setting, but who were unable to culture virus from surfaces there.  Abstract below: Objectives To detect …

#COVID19 Journal Club: “Lack of SARS-CoV-2 RNA environmental contamination in a tertiary referral hospital for infectious diseases in Northern Italy”

Just a quick one here… a study looking for viral RNA in an intensively cleaned healthcare study showing very little detectable RNA in shared spaces in the hospital (in contrast to patient areas).  No viral culturing which is pretty normal for these short notes.  “Lack of SARS-CoV-2 RNA environmental contamination in a tertiary referral hospital …

#COVID19 Preprint Journal Club: “Wastewater Analysis of SARS-CoV-2 as a Predictive Metric of Positivity Rate for a Major Metropolis”

More wastewater sampling work, “Wastewater Analysis of SARS-CoV-2 as a Predictive Metric of Positivity Rate for a Major Metropolis“.  This one is a larger-scale study in a big city that found wastewater spikes in SARS-CoV-2 to present clinical positives by 2 weeks which is a huge lead time and of major significance for getting a …

#COVID19 Preprint Journal Club: “Distribution of SARS-CoV-2 RNA Signal in a Home with COVID-19 Positive Occupants”

A nice article by several of our colleagues from the MoBE project days.   “Distribution of SARS-CoV-2 RNA Signal in a Home with COVID-19 Positive Occupants” does just what it says in the tile, looks at the signal from SARS-CoV-2 in a home… long after the occupants were determined positive.   They sampled two months after the …