Witnessing England’s response to Covid at first
hand has profoundly shocked me
William
Hanage
On a visit to the UK from the US, I have seen how
incoherent government policy is allowing Delta to run rampant
William Hanage is a Harvard epidemiology professor
‘While vaccinated mourners were not permitted to place
a flower on a coffin, tens of thousands of fans crammed into Wembley to watch
football.’
Thu 22 Jul 2021 09.36 BST
https://www.theguardian.com/commentisfree/2021/jul/22/england-covid-response-uk-us-delta
England
ended all pandemic restrictions on Monday. Nightclubs reopened, along with
other large events and gatherings – with masks, testing and other mitigation
measures “encouraged” (which is another way of saying “optional”). This is
against a background of skyrocketing case rates due to the Delta variant.
In January,
at the height of the second wave, the daily total hit 60,000 cases, but at the
current rate of increase that will be eclipsed within days – even in the
absence of all the renewed super-spreading opportunities that the virus will
now enjoy. Thanks to the Covid-curious policies of the past few months, the UK
is already in the grip of an uncontrolled epidemic among unvaccinated people,
with significant numbers of breakthrough infections among the vaccinated. And
both are about to get worse.
Because of
the nature of exponential spread, actions taken early pay dividends later.
Israel has understood this and – despite having vaccination rates comparable to
or better than the UK – responded early to the Delta variant, reintroducing
indoor mask mandates while accelerating vaccination in younger age groups.
For
England, on the other hand, it is not fatalistic but realistic to say that the
Delta variant will not be put back in its box, because exponential spread has
been permitted for months. The prime minister stated he would be guided by
“data, not dates” – but, not for the first time, the reality has turned out to
be the direct opposite of what he said.
Fortunately,
the consequences will not be as immediately grave as at the start of the year.
Vaccination protects well against hospitalisation and death, which is why it
should be accelerated, so those worst consequences of the virus are not rising
at the same rate. But they are rising. The UK suffered more pandemic deaths in
the past 18 months than its civilian death toll for the entirety of the second
world war, while a prime minister who conspicuously admires Churchill belittled
the dangers on WhatsApp. It is not over yet. Daily death figures in the
hundreds are far from implausible – the period of the very steepest increase in
case counts has been the last few weeks, too early to be fully apparent in the
fatalities. Models predict thousands more deaths.
While
deaths understandably make headlines, and hospitalisations drive policy,
preventing them is only the start of an effective public health response. This
stage of the pandemic is different from those preceding it, but the result of
this wave will be yet further delays to other vital NHS services.
Health
administrators are already warning that things are getting dicey, and even if
the events of last winter are not repeated, we should not want to get anywhere
near them. The damage in terms of delays to waiting lists is already serious,
and the current surge will exacerbate that.
Among the
other impacts, we must consider the lives that will be blighted by long Covid.
More than 2 million adults in England have experienced long Covid symptoms, and
the million or more infections that have happened since the latest exponential
kicked off, overwhelmingly in the last month, will add to them. Because the
unvaccinated are bearing the brunt of infections, that means younger people
will suffer.
Though
you’d never realise it from the rhetoric, only around half of the UK population
are actually fully immunised and vaccine uptake has been slowing down. Close to
70% have had at least one dose, but those who have received one dose are more
vulnerable than people with both doses to breakthrough Delta infections. Some
will end up bedridden for days and the numbers will increase over time, because
exponential growth can outpace any vaccination campaign.
Overall,
it’s quite simple. Yes, vaccines make it much less likely you’ll get infected
or ill; but if the virus isn’t there, it definitely can’t infect you. Tens of
thousands of new cases every single day mean you are more likely to be exposed
to multiple potential sources of infection, meaning more people becoming ill.
But perhaps
the most serious impact of this outbreak will be on those who are, for whatever
reason, unable to benefit from vaccination. This includes people with other
conditions that mean it is not safe to vaccinate them, or those who are
immunocompromised for whatever reason and may not be able to mount a good
immune response. It includes too those who have been struggling with vaccine
access and are concentrated in deprived areas where infections can spread more
quickly.
Having
spent the pandemic to date in the US, I travelled to south London this month
and got a taste of the incoherent pandemic theatre which proved so unequal to
handling the Delta variant. At a funeral, due to Covid restrictions, vaccinated
mourners were not permitted to place a flower on a coffin. At the same time,
masks were optional in schools, and tens of thousands of fans crammed into
Wembley and pubs around the country to watch football.
People are
still lining up to get vaccinated – I’ve seen it myself. At the chemist where I
took my test, there was a steady stream queueing outside the door to get the
jab. They weren’t all in their 20s or 30s, either. A large uncontrolled Delta
wave adds to the risk of these groups getting infected.
Of course,
everyone is exhausted and wants the pandemic to be over. The English government
has opted to hasten that with a massive uncontrolled exit wave. You can almost
hear the anxiety in chief medical adviser Chris Whitty’s voice as he gives his
televised briefings. He knows that you toy with exponentials at your peril.
After the last year, it is hard to imagine anyone could forget.
Various
politicians are nervily muttering about voluntary mitigation measures such as
masks, which would be eminently sensible in a situation where infections were
low but which will do little right now.
We test
vaccines with exquisite care to ensure they are safe, and sometimes rare
side-effects are found only after millions of doses have been administered. We
don’t need to see that number of Covid cases to know that the risks of
infection are vastly greater than those of vaccination, even in the younger age
groups in which the pandemic is now rampant.
Some of
those people might not even get the chance to be vaccinated. Instead, the
exponential growth that has been allowed for months means the virus will continue
to kill people and leave others to suffer before the doses even get to them.
Because when it came down to it dates, not data, are what mattered.
Dr William
Hanage is a professor of the evolution and epidemiology of infectious disease
at Harvard

Sem comentários:
Enviar um comentário