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| CHICAGO — As alarm mounted over the coronavirus ripping through the country, Mayor Lori Lightfoot of Chicago was barraged with warnings: Lollapalooza was looking increasingly risky. The annual four-day music festival would draw hundreds of thousands of people downtown, unmasked, crowded into mosh pits, city parks, restaurants and L trains, setting up the threat of a superspreader coronavirus event in the Midwest. |
| The mayor insisted that the festival go on. |
| The decision to host the event, which injected a dormant downtown with energy and freely spending tourists at the end of last month, reflected a shifting response to the continuing pandemic. One year ago, Chicago was a muted version of itself: Businesses were restricted, schools were preparing to teach remotely, the police blocked access to beaches on Lake Michigan and Lollapalooza was canceled. |
| But in recent days, even as the highly contagious Delta variant ravages the South and has caused upticks in all 50 states, mayors, governors and public health officials have treaded lightly when considering whether to reimpose restrictions. With more than twice as many new virus cases being reported nationally compared with last August, baseball games, music festivals and state fairs have forged ahead, and restaurants, gyms and movie theaters have stayed open. In many places, people have been largely left to decide for themselves whether to start wearing masks again or change the ways they work, socialize and vacation. |
| Americans have entered a new, disheartening phase of the pandemic: when they realize that Covid-19 is not disappearing anytime soon. A country that had been waiting for the virus to be over has been forced to recalibrate. |
| “We can’t expect it to go away where we never have to think about it anymore,” said Emily Martin, an epidemiologist at the University of Michigan. “We’ve seen that it ebbs and flows. Sometimes we need to be more vigilant than others.” |
| Scientists had warned for months that the coronavirus was likely to become endemic and that herd immunity was increasingly unlikely. But even though the vaccines remain effective, the virus has mutated and spread at a pace that has surprised some experts. |
| This summer started out on a hopeful note. The United States was reporting the lowest coronavirus case totals since the pandemic’s start, and officials had given permission for vaccinated people to shed their masks in most situations. Then came a worrying cascade of outbreaks, overflowing hospitals and fears over what the virus would bring next. |
| Hospitalizations have reached their highest levels since winter. And in parts of the South, including Mississippi, Louisiana and Florida, the Delta variant has shattered case records and overwhelmed intensive care units. |
| “I think we all took a step back and thought things were getting better,” said Anthony Monteiro, 30, of Tampa, Fla., whose job in medical device sales frequently brings him into hospitals. “There are so many Covid patients, I feel like Covid is in the air everywhere I go now.” |
| About 130,000 cases are being reported across America each day, almost twice as many as last summer’s highest levels. Even as some of the first hot spots of this summer, including Missouri and Nevada, show glimmers of progress, much of the country continues to see explosive case growth. |
| During the latest surge, the United States is armed with vaccines that are highly effective in preventing severe illness and death, and are available to anyone 12 years and older. But only about half of Americans are fully vaccinated, and daily vaccination rates have risen only modestly, to about 700,000 doses a day, since the Delta surge began. |
| The worst surges have so far been concentrated in Southern states with underwhelming vaccination numbers, but infections have also been rising in places with far better vaccine uptake. Oregon and Hawaii, both of which have relatively high vaccination rates, have set weekly case records in recent days, and daily case rates have more than doubled in recent weeks in highly vaccinated parts of New England. Whether cases there eventually reach Louisiana-like levels will be seen as a test of whether vaccinations can make a significant difference on not just the number of deaths but in the size and strength of surges. |
| Most of the country remains fully open, and aside from Hawaii, where the governor recently imposed restrictions on social gatherings and restaurants, most officials have so far steered away from restricting or shuttering businesses, leaning instead on mask rules or vaccine requirements or, more commonly, nothing at all. Louisiana and Oregon have reinstated mask mandates. San Francisco will require proof of vaccination to patronize restaurants, bars and gyms. Several school districts and cities have returned to universal masking, while more employers and colleges have announced plans to require vaccines. |
| In Jackson, Miss., Mayor Chokwe Antar Lumumba kept a mask mandate in place even after the Centers for Disease Control and Prevention announced in May that fully vaccinated people could go most places without masks, guidance it later reversed. In recent days, with cases in Mississippi reaching record levels and hospitalizations rising, he announced that municipal workers would soon have to submit proof of vaccination or be tested regularly. Mr. Lumumba said restrictions, including limits on businesses, were under consideration but have yet to be put in place. |
| “There’s a likelihood, or at least a probability, that there could be other measures implemented,” Mr. Lumumba said. “Whether that’s a reimplementation of old protocol or the establishment of new protocol within the city, everything’s on the table.” |
| But other officials have been hostile to new restrictions, or have worried that rules could backfire and further politicize the pandemic. The C.D.C. has recommended that some vaccinated Americans wear masks in public again, but has not suggested shutting down businesses. |
| A Gallup poll conducted in late July, when cases were starting to spike, found that 59 percent of respondents thought it was good advice for healthy people to go about life normally, compared with 41 percent who thought it was better to stay home as much as possible. |
| “I don’t believe that a public health order in the future is going to be any more effective than they were in the past — and they weren’t effective enough,” said Dan Partridge, the director of the Lawrence-Douglas County Health Department in Kansas, who said he wanted to encourage masking and vaccination without issuing mandates or canceling events. |
| One center of the summer surge is Florida, with the country’s worst hospitalization rate. Gov. Ron DeSantis, a Republican, has largely blocked local governments from putting restrictions in place. |
| Unlike in the pandemic’s early months, there are no state-ordered limits on visitation at nursing homes, leaving each facility to make its own decisions based on C.D.C. rules and its own circumstances. Nick Van Der Linden, the communications director for LeadingAge Florida, a trade organization for nursing homes, said nursing homes and assisted living facilities were starting to treat the coronavirus as “something we live with for the long run.” |
| Providers have established daily infection protocols for Covid-19 as they have for other communicable diseases, such as the flu and norovirus, in addition to federally mandated protocols, such as twice-weekly testing of staff members and residents given Florida’s virus surge. “Are we going to treat it like it’s here to stay? Yes,” Mr. Van Der Linden said. “Covid-19 is not going away. But we’re not in the 2020 pandemic anymore, either.” |
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