Understanding COVID Vaccine Protection Over Time
Originally Published 3 months ago — by OregonLive.com
The COVID vaccine provides high protection against severe illness and death for up to a year or more, even as its effectiveness against infection wanes to 50-60% after six to eight months. While annual vaccination is generally sufficient for most, those with weakened immune systems may benefit from more frequent doses or additional preventive measures. The decision to vaccinate more often should be made with a healthcare provider.