By Dearbail Jordan
Business reporter, BBC News
Iceland and Greene King accidental they person had to unopen shops and pubs owed to unit shortages caused by radical being forced to self-isolate by the NHS Covid app.
Iceland said that aft keeping each of its stores unfastened during lockdown, it has present had to unopen immoderate due to the fact that 1,000 unit person been "pinged" by the app.
Chief enforcement Richard Walker said: "The large irony is that we're present each getting vaccinated."
Greene King has closed 33 pubs successful the past week owed to unit self-isolating.
Boss Nick Mackenzie said the pubs radical had besides had to shorten opening hours astatine immoderate sites. He added that crossed the hospitality manufacture astir 1 successful 5 squad members person been affected, "and truthful it is causing a existent contented for america setting-up a concern connected a regular basis".
Recent figures showed much than 500,000 radical successful England and Wales were "pinged" by the app successful the week to 7 July, up 46% connected the erstwhile week.
People who person travel into interaction with idiosyncratic who has tested affirmative for Covid-19 indispensable self-isolate for 10 days.
Business lobby radical the CBI has warned that "crippling unit shortages" hazard hampering an economical recovery.
Vauxhall confirmed connected Monday that it has reduced its regular shifts from 3 to 2 astatine its Luton works "because of expanding numbers of employees who person been contacted by the app".
A spokesperson for the carmaker said Vauxhall was astir to embark connected its yearly three-week shutdown from Friday, 23 July. By the clip the Luton works restarts successful August it hopes "the concern volition person improved".
Others successful the car manufacture person besides been affected by precocious levels of unit self-isolating. Nissan and Rolls-Royce person some warned that unit shortages could impact production.
At the weekend, Marks & Spencer said it whitethorn person to trim store opening hours, portion a starring supermarket, which declined to beryllium named, told the BBC: "There's a hazard that determination won't beryllium capable unit to unfastened shops".
Iceland's Mr Walker said that arsenic good closing immoderate stores, the concatenation has besides had to trim opening hours successful immoderate circumstances. "The interest is that arsenic this happening rises exponentially arsenic we've conscionable been hearing. It could get a batch worse a batch quicker," helium told the BBC's Today programme.
Mr Walker said 4% of Iceland's 30,000-strong workforce was present absent. "In fact, we've conscionable announced employing an further 2,000 radical connected apical of that to springiness america a deeper excavation of labour, due to the fact that truthful galore radical are present getting pinged."
The fig of Covid cases successful England and Wales surpassed 50,000 connected some Friday and Saturday, the highest fig since mid-January. On Monday, England lifted last Covid restrictions, including the ineligible request to deterioration a look covering to forestall the dispersed of the virus.
Wales is expected to scrap astir rules connected 7 August though this volition not see look masks. Scotland has moved to the lowest level of restrictions of Covid restrictions but look coverings indispensable beryllium worn for a further 3 weeks. Northern Ireland volition determine connected Thursday to easiness rules connected 7 days' time.
PureGym's main executive, Humphrey Cobbold, said his concern had managed to support each of its sites unfastened contempt rising numbers of employees forced to self-isolate, but it had been difficult.
"Up to 25%, successful immoderate areas, of our unit person been asked to self-isolate," helium told the BBC.
"Through flexibility and sharing of labour crossed sites, we've been capable to support sites unfastened truthful acold but it's been a precise adjacent telephone successful definite circumstances."
Kate Lester, laminitis and main enforcement of Diamond Logistics, which runs a UK web of fulfilment and transportation centres, said the institution has had to hold opening a caller tract astatine Motherwell successful Scotland due to the fact that betwixt 20% and 25% of unit are disconnected work.
"We're really having to hold that motorboat for implicit a period which deprives our caller web spouse of his income and successful summation to that it deprives his clients of captious logistics services," she said.
Analysis by Rob Young, BBC concern reporter
Today is perchance a large time for galore businesses. Capacity limits are gone; venues tin capable up if they privation to. That means galore pubs and restaurants, for example, person the accidental of turning a nett again.
Bosses person longed for this time since the pandemic began. But they look different increasing problem. As infections rise, truthful excessively are the fig of radical told they indispensable self-isolate aft coming into interaction with a affirmative case. This is causing a staffing occupation for many, galore firms. Venues and stores person had to close. Opening hours person been curtailed.
There is simply a clamour from companies, demanding the authorities instantly alteration the self-isolation rules to exempt radical who person had some Covid-19 vaccines and trial negative. The authorities is owed to beryllium overhauled successful a month's time.
However, concern leaders fearfulness galore much unit volition beryllium told to enactment astatine location and truthful businesses volition beryllium forced to adjacent astatine a clip erstwhile they hoped to making wealth again.
The CBI has called for an contiguous extremity to the 10-day self-isolation play for radical who person been afloat vaccinated. It besides said regular lateral travel tests could assistance radical who person not received some jabs get backmost to work.
From 16 August, radical who person been afloat vaccinated volition not person to self-isolate if they are "pinged" by the NHS app erstwhile they person travel into interaction with idiosyncratic who has tested affirmative for Covid. They volition alternatively beryllium advised to instrumentality PCR trial arsenic soon arsenic possible.
On Sunday, Prime Minister Boris Johnson and Chancellor Rishi Sunak were forced to U-turn connected a determination not to self-isolate aft coming into interaction with Health Secretary Sajid Javid, who tested affirmative for Covid connected Saturday.
Mr Johnson and Mr Sunak had said initially that they would not request to isolate arsenic they were taking portion successful a aviator strategy that involves regular investigating instead. But this sparked a backlash from absorption parties and businesses.
Greene King's Mr Mackenzie said the authorities needed to bring the "test and release" strategy guardant to let much radical to travel into enactment and "get america backmost to mean again".