If you don't have much time today, you can skip all the data presented at the front, and go to the end of the posting just before the portion about purple colored ocean storms .  Those bits of information presented there will immediately improve your day. This past Thursday I posted on: EVERYTHING YOU NEED TO KNOW ABOUT COVID-19 VACCINES However, Ray Kamada sent me the very latest.   In particular, the AGAINST SEVERE DISEASE column is worthy of note. Efficacy by country where trials were conducted - VACCINE DOSES OVERALL AGAINST SEVERE DISEASE U.S. U.K. S. AFRICA L. AMERICA Moderna 2 94.1% 100% 95% - - - Pfizer/BioNTech 2 95% 90% 95% - - - AstraZeneca 2 62% ? - 60% - 64.2% AstraZeneca (½ + full dose) 2 90% ? - 90% - - J&J 1 66% 100% 72% - 57% 66% Novavax 2 - 100% - 89.3% 49.4% - Other Info VACCINE MODERNA PFIZER/BIONTECH ASTRAZENECA J&J NOVAVAX Type mRNA mRNA DNA/ Adenovirus DNA/ Adenovirus Protein Dose 2 2 2 1 2 Days between doses 28 21 28 - 21 Storage Temperature -20 o C