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Fully vaccinated people can visit unvaccinated family and friends, but one household at a time, CDC official says

Fully vaccinated people should feel free to visit their unvaccinated family and friends without restrictions, but visits should be limited to one unvaccinated household at a time, Centers for Disease Control and Prevention officials said Monday. And sorry, but even fully vaccinated grandparents should not be bringing their grandkids to church or otherwise exposing them

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All the COVID-19 vaccines prevent death and severe disease, and that’s what matters, experts say

A fifth company — AstraZeneca — released data Monday about how well its coronavirus vaccine works and said it plans to ask the US Food and Drug Administration for emergency use authorization in the coming weeks. Drug giant AstraZeneca said Monday its vaccine, developed with Britain’s Oxford University, showed about 79% efficacy in preventing symptomatic

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AstraZeneca vaccine is 79% effective against symptomatic COVID-19, company says

AstraZeneca’s COVID-19 vaccine showed 79% efficacy against symptomatic disease and 100% efficacy against severe disease and hospitalization in a new, US-based clinical trial, the company said Monday. The findings from the new Phase 3 trial, which included more than 32,000 participants, may boost confidence in the vaccine, which was originally developed by the University of

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Ignoring CDC warnings, more than 1 million passengers have flown from US airports for 10 straight days

Spring break is here and people suffering from a year of cabin fever are throwing caution to the wind. Saturday marked the 10th straight day on which more than 1 million passengers traveled through American airports. The TSA reported 1,369,180 travelers passed through security checkpoints Saturday, a day after air passengers set a new pandemic

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Biden seeks tenuous balance on school reopening and variant threats

When officials from the US Centers for Disease Control and Prevention announced Friday that they were relaxing the physical distancing guidelines for many schools, White House officials hailed it as another moment when the barriers to in-person instruction were falling. But the persistent tensions between White House officials and teachers’ unions immediately resurfaced, demonstrating the

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Teachers’ unions are cautious about the new CDC guidelines on social distancing in schools

Some teachers are grappling with how to protect students and themselves against the coronavirus in light of new guidelines for returning to in-person classes issued by the US Centers for Disease Control and Prevention. Friday’s announcement relaxes recommendations for social distancing to 3 feet from 6 feet and relies heavily on schools using other measures,

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The race between variants and vaccines in US will be a close call, expert warns, and eased restrictions aren’t helping

Experts say there’s a tough race between COVID-19 vaccinations and a contagious variant that’s rapidly spreading across the US, threatening another dangerous surge — and the eased restrictions only further complicate things. “It’s going to be a close call,” Dr. Ashish Jha, dean of the Brown University School of Public Health told CNN on Tuesday.

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Covid-19 reinfections are rare, but more common in people 65 and older, study finds

Coronavirus reinfections are relatively rare, but it’s more common for people 65 and older to get infected more than once, according to a study published Wednesday in the Lancet medical journal. A team of scientists, including some from Denmark’s Department of Infectious Disease Epidemiology and Prevention, noted that most people who have had Covid-19 seemed

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Disneyland sets reopening date

It’s been a long year for Disneyland fans, but “The Happiest Place On Earth” is finally set to reopen its doors. The Disney resort, which houses Disneyland and its sister theme park California Adventure, plans to reopen with limited capacity on April 30, the company announced on Wednesday. Disneyland, the company’s flagship theme park located

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Coronavirus strains first detected in California are officially ‘variants of concern,’ CDC says

Two coronavirus strains first detected in California are now officially “variants of concern,” according to the US Centers for Disease Control and Prevention. The variants may be about 20% more transmissible, the CDC said, citing early research. Some COVID-19 treatments may also be less effective against the strains. Still, the CDC didn’t say that vaccines

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Canada expands use of AstraZeneca vaccine to seniors even as other countries pause its rollout

Canada has expanded its rollout of Oxford-AstraZeneca’s coronavirus vaccine, reversing an earlier recommendation that it not to be given to seniors, even as more European nations moved to suspend its use. Citing recent real-world evidence from the United Kingdom, a Canadian expert advisory panel on Tuesday updated its recommendation on the vaccine to now include

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How to assess safety of in-person school and summer camp for your child. Dr. Wen’s advice

The US Centers for Disease Control and Prevention in mid-February released guidelines for a safe return to school. The agency emphasized five ways to mitigate risk from coronavirus: requiring masks, physical distancing, handwashing, maintaining clean facilities and contract tracing. Since then, the Biden administration has also prioritized vaccination for teachers and school staff. Teachers in

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How to assess safety of in-person school for your child. Dr. Wen gives advice

The US Centers for Disease Control and Prevention in mid-February released guidelines for a safe return to school. The agency emphasized five ways to mitigate risk from coronavirus: requiring masks, physical distancing, handwashing, maintaining clean facilities and contract tracing. Since then, the Biden administration has also prioritized vaccination for teachers and school staff. Teachers in

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St. Patrick’s Day parties are ripe for spreading coronavirus variants. Don’t let that happen

St. Patrick’s Day was the first major holiday of the Covid-19 pandemic in the US, and we’ve learned sobering lessons since then. Young, healthy people who were infected around St. Patrick’s Day have suffered long-term complications. And infections have been spread by people with no symptoms. But this St. Patrick’s Day, Americans have a new

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WHO meets to discuss AstraZeneca vaccine as more EU countries halt rollout

The World Health Organization’s vaccine safety experts were due to meet Tuesday to discuss the Oxford-AstraZeneca COVID-19 vaccine, as the list of countries temporarily halting its rollout over blood clot concerns continued to grow. On Tuesday, Cyprus, Luxembourg, Latvia and Sweden became the latest European nations to suspend its use, despite advice from international medical

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A concerning variant is about to become dominant in the US, experts say, and how Americans act could help fuel or curb a surge

Experts are worried some Americans are letting up too early — at a critical time when looming dangers are threatening to wipe out the progress the US has made in its battle against COVID-19. At least a dozen state leaders have eased COVID-19 restrictions this month, often citing improving COVID-19 trends and growing vaccination numbers.

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Pandemic lockdowns improved air quality in 84% of countries worldwide, report finds

Coronavirus lockdowns led to air quality improvements in most countries, but the level of pollutants will likely rise as governments lift restrictions and economies swing back into gear, according to a new report. IQAir’s 2020 World Air Quality Report said human-related emissions from industry and transport fell during lockdowns, and 65% of global cities analyzed

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