COVID19 has exposed another weakness, its buildings! Several buildings have INTERNAL path for infection of the buildings residents.
Since February 2020 COVID19 infection has been found to be spreading within buildings, to apartments on different floors of the same building. Frankly, it has reached epidemic proportions in the public housing sector, every CHP press conference implicates more and more buildings. tracking sick building link http://www.kelcroft.com.hk/sbs.htm
The pollution of the environment continues, microplastics have been found in the ocean, in the fish we eat, in our cities we live, in the mountains, in the air we breathe, and at the end of 2020 the latest discovery with microplastic in the placenta of humans. The sample size is tiny, but it is positive evidence, here is the link to the study: