Apparently we have been using the wrong kind of masks
In April 2020, we were told to use face coverings made from any random bit of cloth to stop droplets, thereby reducing the spread of Covid-19. Droplet transmission requires a…
Disease modeling – where the confidence interval is from Zero to infinity
Epidemiologists have gotten to work predicting the future if highly contagious COVID-19 variants spread through Quebec, and their findings are alarming – especially combined with news of climbing variant numbers.…
Britain mandates pub guests must have Covid tracking app installed on their phone
I guess this means it is now mandatory to have a smart phone in the UK? Also, will they sanitize phones before handing them over to pub staff for verification…
Surge in good news: Schools do not seem to spread Covid-19 much
https://twitter.com/JenniferNuzzo/status/1380542797439197189
Amazing: The poor quality of epidemiological data
Some one just got caught up with old death reports and dumped them out all in one day. This is has gone on for months, in many states, as they…
The end of smart phone based contact tracing apps
As explained in detail several times last year, smart phone-based, Bluetooth-based contact tracing apps were never likely to be useful. Effectively with this announcement today, Oregon has abandoned it’s smart…
Considerable decline in trust of the CDC, large survey shows
Rather than fix the root cause problems, the CDC will enlist public relations consultants and fix this with a propaganda campaign – and the CDC will continue business as usual:…
CDC mostly drops the surface cleaning guidance
People can be infected with SARS-CoV-2 through contact with surfaces. However, based on available epidemiological data and studies of environmental transmission factors, surface transmission is not the main route by…
What is the NNT and efficacy for face masks?
NNT is the number needed to treat to result in one positive outcome. Stated another way, how many people need to wear a face mask to eliminate one new case…
9 months ago outdoor assemblies of people were not mass spreader events but now they are mass spreader events?
Outdoor protests in June of 2020 said not to be a source of Covid-19 spread. There isn’t evidence that Black Lives Matter protests have led to a noticeable increase in…