COVID-19 mRNA vaccines update 5

More information collected from the news and published studies on the new mRNA vaccines against COVID-19. Topics include breakthrough cases after being vaccinated, latest info from Pfizer and Moderna about 6 months data collection, sudden suggestion that future revaccination might be required, and case study of home care infection with a new strain. Interesting relationship between most vaccinated populations in the world and observed infection rates, or the lack of. Bonus further discussion of a proposed theory of potential dangers of vaccinating during ongoing pandemic.