mRNA vaccine booster dose antibodies – quantity not quality

“These results suggest that boosting vaccinated individuals with currently available mRNA vaccines would produce a quantitative increase in plasma neutralizing activity but not the qualitative advantage against variants obtained by vaccinating convalescent individuals.”...More...

Israel: booster vaccine jab rollout begins – third vaccination in 8 months for some

Israeli Prime Minister Naftali Bennett announced on Thursday the world’s first vaccination drive to inoculate people over 60 with a third Covid vaccine dose, starting Sunday....More...

Moderna developing vaccine “booster shot” against 501YV2 variant

Moderna said its Covid-19 vaccine appeared to protect against emerging variants of the coronavirus in laboratory tests, but as a precaution it would test whether a booster shot improves immune responses and develop a new vaccine targeting the strain first identified in South Africa.… ...More...