S.Korea’s vaccine rollout stutters to week-long halt amid spike in new COVID-19 cases

South Korea’s rollout of COVID-19 vaccinations to people aged 55-59 has stuttered to a week-long halt after a spike in new cases sparked a rush for shots, booking up available supplies and crashing the official government reservation website.

The halt in vaccination appointments for people in the upper 50s age bracket came late on Monday, the first day that inoculation bookings were opened to under-60s. It came as daily infections, featuring the highly contagious Delta variant, came in at 1,150, a seventh straight day of more than 1,000 cases - the country’s worst coronavirus outbreak so far.

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While South Korea is ahead of its schedule in vaccination target, the pace has slowed sharply in recent weeks to around 30,000 doses a day from a peak of 850,000 earlier, as it finalizes shipment schedules to begin Moderna COVID-19 inoculations for people in their 50s.

“Due to strong demand, 1.85 million Moderna doses were fully booked and reservations for those who couldn’t sign up will resume on July 19,” the Korea Disease Control and Prevention Agency (KDCA) said in a statement on Tuesday. A total of around 3.52 million people in the 55-59 age group were eligible to sign up, leaving 1.67 million still to reserve shots.

Just about 11.6 percent of the country’s 52 million population has completed vaccination, including receiving both shots for products requiring two doses, while 30.4 percent have received one dose, according to government data.

South Korea expects to receive at least another 9 million doses this month, but the government hasn’t released the exact timeline, citing a non-disclosure agreement with the vaccine makers.

Health authorities sought to reassure the public on Tuesday that enough vaccine supply will be secured in August for the 55-59 age group who couldn’t book on Monday and for other people in their 50s, a KDCA official told a briefing.

“We deeply apologize for failing to notify in advance of the possibility of early closure,” the official said.

‘Compete for shots’

The uncertainty over vaccine supply has led to a public outcry, with the authorities facing accusations from media organizations and members of the public of being grossly underprepared for the vaccination campaign.

“The government clearly said the reservation opens from Monday and some who were busy thought they’d be safe to book the next day,” Chun Eun-mi, a respiratory disease specialist at Ewha Woman’s University Medical Center in Seoul, told Reuters.

“Now they will need to compete for their shots and their turn will be delayed by at least a week,” Chun said.

The 1,150 new cases reported for Monday came on the day South Korea implemented the toughest curbs it can apply on residents and business activity in Seoul. The tally was below the record of 1,378, set last week.

A mass testing system has helped the country suffer lower COVID-19 death rates than other developed countries so far without severe lockdowns.

But the new wave of infections prompted the government to impose the toughest restrictions yet in capital Seoul and neighboring areas starting Monday, including a ban on gatherings of more than two people after 6 p.m.

The latest clusters have seen far fewer serious infections than earlier ones, with many older and more vulnerable South Koreans now vaccinated against the virus. The new cases brought South Korea’s total tally to 170,296, with 2,048 deaths, KDCA data showed.

But health authorities have expressed concerns over the growing infections among young patients who have not yet received vaccine shots, and the spread of the Delta variant, which accounted for about 63 percent of recent more transmissible variants.

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