Sinovac Vaccine Booster Efficacy Reaches 74 Percent, Is It Time?

Wien also explained that the effectiveness of the vaccine was lower against Omicron, unless a booster was given. Booster vaccines also provide strong protection against the risk of hospitalization or hospitalization.

About six months after the second vaccine, the protection dropped drastically to two percent. However, if the booster is done, the protection goes back up to 63 percent.

Wien also reminded that the decrease in effectiveness did not only occur in primary vaccines but also in vaccines booster.

“However, booster even over time it will decrease in effectiveness after about 2 and a half months but the decline tends to be gentle (94 percent in the second week to 89 percent in the 10th week.”

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