Does the moderna vaccine offer any protection against the south african, south american, or uk strands ? if you were to take a covid vaccine and had a choice as to which one you wanted would you take moderna or johnson and johnson ?

Although studies continue, regarding COVID-19 variants, initial experiences suggest these vaccines work well across the spectrum. The newest vaccine from J&J, involves but one jab, but has a lower total efficacy than the other two vaccines.

Johnson & Johnson COVID 19 vaccine- 72 % overall efficacy rate in US & 64 % in South Africa (Z A). 86 % efficacy against severe forms of Covid-19 in US & 82 % against severe disease in ZA. Moderna's new Covid-19 Vaccine for the ZA strain is now ready to begin testing in humans. Current Moderna vaccine is 6 fold less effective in ZA strain. it is 94.1% effective in US after 2 shots.