Protection against infection offered by fourth Covid-19 vaccine dose wanes quickly, Israeli study finds. : Health
A fourth dose of the Pfizer/BioNTech Covid-19 vaccine seems to offer short-lived protection against infection overall, but protection against severe illness ...
Could Israel be facing a polio outbreak and how can it be prevented? " Health Ministry has also stressed the increased risk that healthcare and sewage workers face of coming into contact with the disease and recommended an additional dose of the IPV vaccine"
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