Little else to say other than more thoughts on the pandemic. As with most social issues of this nature, it is difficult to garner good information.

Here is some of which I have gathered.

Scientists Probe How Coronavirus Might Travel Through The Air (20200403)

A good article on the spread of coronavirus, via droplet or aerosol — unfortunately the science is not clear. WHO is still recommending 6 feet, until the science is more clear. For my part, if I go into a large grocery store with 50-70 other people, I still wonder if I am safe — of course, I wondered that before this article.

Recommendation Regarding the Use of Cloth Face Coverings, Especially in Areas of Significant Community-Based Transmission (20200403)

A CDC link expressing mounting concern about how coronavirus is spread, especially in hot spots, and includes a short video of how to make a simple face mask from home materials. My guess is that it would stop much droplet transmission from the wearer and diminish output/intake of aerosol to a lesser degree.

Answers to your DIY face mask questions, including what material you should use (20200407)

Another good article on homemade face masks.

Why Did The World Shut Down For COVID-19 But Not Ebola, SARS Or Swine Flu? (20200414)

A good article as to what is different about Covid-19 as to result in a pandemic.

A Comic Strip Tour Of The Wild World Of Pandemic Modeling (20204013)

A visual presentation of the complexity of modelling — quite good although I am not a public health specialist.

Finally, a bit of humour: