LyrArc Article Gist
Opening windows and doors to let in fresh air is as important as wearing masks and social distancing to prevent coronavirus. In places where people gather and in homes it is important to let in fresh air so that there is new fresh air circulating in rooms 3-4 times for every hour. It is being used as a strategy in schools in Germany to bring in fresh air. Putting MERV 13 type air filters in central air conditioning and heating systems is important in offices, shops and other spaces. A complete redesign of the systems that are old is needed. There are 36,000 schools in the U.S. that have old failing systems of heating and cooling. It would cost $360 billion to change these systems if each system cost $10,000 which is on the low side. This shows that good intentions are not enough, new priorities need to be set and the old priorities which misallocated funds through existing capital allocation structures in the West coasts and East coast cities no longer serve the purpose of the Renewal of America.  ...

LyrArc Article Gist
The problem of breakthrough infections requires people to follow all necessary prevention measures including social distancing, mask use, ventilation of indoor spaces, and hand washing, even if they are fully vaccinated. People who have taken vaccination very early in 2021 and have waning protection need a booster shot to build up immunity levels. Studies show that breakthrough infections can take place, making it all the more important to take all precautions.