Nearly 80% of US children have had COVID-19

The rate of coronavirus reinfections was relatively low prior to the advent of the omicron variant, according to new research from the CDC. A new Chronicle analysis of data from the city’s health department offers a glimpse into the future of San Francisco’s restaurant industry. UCSF and other Bay Area scientists want to hear from long-term COVID sufferers to better understand just how common it is in the region. Apple is requiring corporate workers to return to the office at least three days a week by Labor Day.

First Lady Jill Biden tests positive for COVID

A spokesperson for Jill Biden said the First Lady tested positive for COVID-19 but was experiencing only mild symptoms. She was also prescribed Paxlovid and would isolate for five days.

Apple to mandate three days a week in the office by Labor Day

Apple will require its corporate employees to return to the office at least three days a week by Sept. 5, after delaying its plans several times due to COVID-19 surges.

The Cupertino tech giant will require employees to work from the office on Tuesdays, Thursdays and a regular third day that will be determined by individual teams, according to an employee memo obtained by Bloomberg on Monday.

Nearly 80% of children in the US have had COVID-19

About 79.7% of American children between the ages of 6 months to 17 years have been infected with SARS-CoV-2, the virus that causes COVID-19, according to the US Centers for Disease Control and Prevention. That means about 57 million children are estimated to have had COVID-19 nationwide at least once through June 2022. The data does not include reinfections, nor does it measure antibodies produced by vaccination. By age, an estimated 74% of 0- to 4-year-olds have been infected; 82.5% of 5- to 11-year-olds; and 80% of 12- to 17-year-olds. The California pediatric coronavirus seroprevalence rate is lower than the national average at 71.4%.

BA.4, BA.5 variants account for nearly all US cases

The highly transmissible newer omicron coronavirus subvariants made up nearly all sequenced cases in the United States last week, according to data published Friday by the US Centers for Disease Control and Prevention. BA.5 made up about 88.8% of the total cases, while BA.4 was sequenced in 5.3% of cases, and the BA.4.6 sublineage made up 5.1% of cases nationally. The US is averaging over 103,000 new confirmed COVID-19 cases per day.

Omicron substantially increased COVID-19 reinfections, CDC study says

The rate of coronavirus reinfection was relatively rare before the omicron variant of the virus became dominant, according to a new surveillance study from CDC and Southern Nevada Health based on data collected during the winter wave. The suspected rate of individuals who were reinfected was about 2.7% until December 2021 but increased to about 11% once the omicron variant became dominant and remained at an elevated level, the study found. According to the survey, reinfection rates were higher among adults 18—50 years of age, women, and minority groups, especially persons identifying as American Indian/Alaska Native. Vaccination status and disease severity were not included in the data.

CDC says some in areas with “medium” COVID level should mask

Even in areas classified with “medium” coronavirus infection levels, some people should wear masks, the Centers for Disease Control and Prevention says. As part of its revised recommendations for living with the coronavirus released last week, the CDC expanded its masking guidance for people living in areas designated with medium COVID-19 community levels. Individuals at increased risk for severe disease “should wear a mask or respirator that provides greater protection to the wearer” the agency said. That sharpened CDC’s previous wording that suggested those individuals “should talk to their healthcare provider about whether they need to wear a well-fitting mask and take other precautions.” About 80% of the US population lives in an area with “medium” or “high” COVID-19 community levels.

Pfizer CEO tests positive for COVID-19

Pfizer CEO Albert Bourla, whose company was first to win US approval of a vaccine against COVID-19, has tested positive for the coronavirus. “I would like to let you know that I have tested positive for COVID-19,” Bourla tweeted Monday. “I am thankful to have received four doses of the Pfizer-BioNTech vaccine, and I am feeling well while experiencing very mild symptoms. I am isolating and have started a course of Paxlovid.” Pfizer also developed the oral antiviral COVID-19 treatment. “We have come so far in our efforts to battle this disease that I am confident I will have a speedy recovery,” Bourla added. “I am incredibly grateful for the tireless efforts of my Pfizer colleagues who worked to make vaccines and treatments available for me and people around the world.”

These maps show the SF neighborhoods that lost the most restaurants during COVID

During the pandemic San Francisco saw a rash of restaurants closing — and without the usual compensating batch of new ones opening up. The Chronicle learned more about the state of the city’s dining industry and which areas were hardest hit. Read more about the trends and the indications that San Francisco restaurants’ future may be finding itself in residential neighborhoods.

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