TOKYO: Tokyo’s 2,848 COVID-19 infections on Tuesday were the Olympic host city’s highest since the pandemic began, officials said, as media reported that authorities had asked hospitals to prepare more beds for patients as the Delta variant drives the surge.

The rise in cases threatens to further erode support for Prime Minister Yoshihide Suga, whose ratings have slid to their lowest level since he took office last September, in large part because of his haphazard handling of the pandemic.

It also spells trouble for the Olympics, as many Japanese fear the influx of athletes and officials for the event could add to the surge. About 31 percent in a survey by the Nikkei daily on Monday said the Games should be canceled or postponed again.

“It’s the Delta variant,” said Kenji Shibuya, a former director of the Institute for Population Health at King’s College London, explaining the swift recent surge.

Shibuya added it was impossible to quantify to what extent the Olympics contributed to the surge but blamed the global sports showpiece as “one of the major driving forces.”

“The government has sent signals that people are supposed to stay home at the same time they celebrate the Games. It’s a totally inconsistent message,” said Shibuya, who is now running the vaccine roll-out in a town in northern Japan.

Japan has avoided the devastating outbreaks suffered by other nations such as India, Indonesia and the United States, but the fifth wave of the pandemic fueled by the Delta variant is piling pressure on Tokyo’s hospitals.

By Sunday, only 20.8 percent of the Japanese capital’s 12,635 COVID-19 patients had been able to obtain hospital treatment, government data showed. A government advisory panel says that if the ratio falls below the threshold of 25 percent, a state of emergency should be triggered.

In anticipation of the surge and considering the tough hospital situation, Tokyo has already declared a fourth state of emergency this month to run until after the Olympics.

In a last-minute change of heart, Japan also made the unprecedented decision to hold the Games, postponed from last year by the pandemic, without spectators to stem the spread of the virus.

As hospitals admit more patients, the city aims to boost the number of beds to 6,406 by early next month from 5,967 now, broadcaster TBS said.

Hospitals should look at pushing back planned surgery and scaling down other treatments, the broadcaster said, citing a notice to medical institutions from city authorities.

Health experts had warned that seasonal factors, increased mobility, and the spread of variants would lead to a rebound in COVID-19 cases this summer.

While vaccinations boost protection for the oldest citizens most likely to need emergency care, just 36 percent of the population has received at least one dose, a Reuters vaccination tracker shows.

The inoculation push has recently ebbed amid logistical snags after having picked up steam last month from a sluggish start.

Voter support for Suga slid nine points to 34 percent, its lowest since he took office last September, a July 23-25 Nikkei business daily survey showed on Monday.

Nearly two-thirds of respondents said the country’s rollout of coronavirus vaccinations was not going well.

Suga’s term as ruling Liberal Democratic Party (LDP) president expires in September and his LDP-led coalition faces an election for parliament’s powerful lower house, which must be held by November.

About a third in the Nikkei survey wanted the Games postponed again or canceled, while more than half said Japan’s border steps for incoming Olympics athletes and officials were “inappropriate.”

Despite tight quarantine rules for the Games, 155 cases have emerged involving athletes and others.

A strict “playbook” of rules to avoid contagion requires frequent virus testing, restricted movement and masks worn in most situations.