Live Update 
From the Liveblog of
Tuesday, July 27, 2021
From the Liveblog of
Tuesday, July 27, 2021
Study: Vaccines 80% effective in preventing serious COVID
A medic prepares a Covid-19 vaccine injection, at a vaccination center in Jerusalem, July 8, 2021. (Olivier Fitoussi/Flash90)
A study by the Hebrew University of Jerusalem suggests the effectiveness of the vaccine in preventing serious illness has dropped to 80 percent.
It also indicates the shots are 90% effective in preventing deaths from COVID-19.
The researchers warn the number of serious cases — currently at 138 — could rise to 200-400 by mid-August if no steps are taken to rein in infections.
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