Beth Mole, reporting for Ars Technica:

COVID-19 vaccines are largely holding up against the
hyper-transmissible delta coronavirus variant, particularly when
it comes to preventing severe disease and death, according to
three studies published Friday by the Centers for Disease Control
and Prevention. […]

In terms of infections, fully vaccinated people were about 11
times less likely to get an infection in the pre-delta period,
compared with the unvaccinated (with a 95 percent confidence
interval of 7.8 to 15.8). That ratio dropped to 4.6 less likely in
the post-delta period (with a 95 percent confidence interval of
2.5 to 8.5).

For hospitalizations prior to delta, fully vaccinated people were
13 times less likely to wind up in the hospital than the
unvaccinated (confidence interval of 11.3 to 15.6). After delta,
that ratio dropped slightly to 10 times less likely (confidence
interval of 8.1 to 13.3). The fully vaccinated were 16.6 times
less likely to die of COVID-19 prior to delta (confidence interval
of 13.5 to 20.4) and 11.3 times less likely to die after delta
(confidence interval of 9.1 to 13.9).

Donald McNeil — the award-winning science reporter formerly of The New York Times — writing a month ago:

Confusion about mask rules is now so great that enforcement
anywhere but on airplanes will be impossible. Requiring weekly
tests as a substitute for vaccination is doomed to fail because
the Delta variant can turn someone from healthy to superspreader
in less than four days.

The key to saving lives is vaccine. The key to reopening offices
and factories is vaccine. The key to reopening schools is vaccine.
The key to keeping bars and restaurants open in cold weather is
vaccine. The key to travel and shopping is vaccine. Vaccine in


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