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TanzaniteMotherLodeon Aug 22, 2021 5:21am
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COVID19 breakthrough cases signal 4th wave
COVID19 breakthrough cases signal 4th wave Key to the mitigation effort is understanding that while vaccines are essential for protecting against severe illness, they are unable to completely shut down infection and transmission – a reality that viral evolution, via coronavirus variants, is now taking advantage of. This is likely to become more of an issue as immunity wanes among those who were first to receive their shots.
There are signs that some parts of the world are already encountering problems with weakening immunity from vaccination. For example, Israel, which began its vaccination campaign well ahead of other countries, is now experiencing an increasing rate of breakthrough infections.
https://www.theglobeandmail.com/canada/article-covid-19-vaccine-breakthrough-cases-signal-next-phase-of-canadas/