Third dose of Covid-19 shot increases immunity- Moderna

Moderna Inc said on Wednesday a third dose of either its current Covid-19 shot or an experimental new vaccine candidate increases immunity against variants of Covid-19 first found in Brazil and South Africa.

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Moderna said the booster shots, given to volunteers previously inoculated with Moderna’s two-dose vaccine regimen, also boosted antibodies against the original version of Covid-19.

The early data comes from a 40-person trial testing of both Moderna’s existing shot and a version developed to protect against the South African variant of Covid-19 called mRNA-1273.351.

Moderna is also studying a shot that combines both the new and existing vaccine

MTO/Reuters