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Vaccines are less protective against Delta infection but still reduce risk by two-thirds, CDC study shows

By Michael Nedelman, Eric Levenson and Madeline Holcombe, CNN Vaccine effectiveness against Covid-19 infection dropped from 91% to 66% once the Delta variant accounted for the majority of circulating virus, according to a study published Tuesday by the US Centers for Disease Control and Prevention. The authors of the latest paper said that, although the

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From the bus stop to after-school activities, here’s how kids can help stay safe during this Delta variant surge

By Holly Yan, CNN Illustrations by Leah Abucayan, CNN Millions of students are heading back to school with a challenge they didn’t have to face last year. The more contagious Delta variant is fueling a nationwide Covid-19 surge that’s sending younger people to hospitals — including children. The best weapon for students ages 12 and

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Full Covid-19 vaccine approval won’t just boost confidence. It’ll likely lead to new business requirements, surgeon general says

By Travis Caldwell and Holly Yan, CNN With the “imminent” full approval of the Pfizer/BioNTech vaccine expected, more businesses will likely issue vaccine mandates to help prevent the Delta variant from sending the country further backward in this pandemic, doctors say. “For businesses and universities that have been thinking about putting vaccine requirements in place

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Louisiana sees ‘astronomical’ number of new Covid-19 cases, governor says

By Travis Caldwell, CNN With the continued spread of the more infectious Delta variant, health and elected officials warned that hospitals across the country are reaching critical levels of Covid-19 patients, especially in areas with lower vaccination rates. Overall hospitalizations are continuing to increase across Alabama as the “pandemic of unvaccinated people continues,” state health

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Study finds ‘very concerning’ 74% increase in deaths associated with extreme heat brought on by the climate crisis

By Jen Christensen, CNN A pair of new studies out Thursday find a “very concerning” rise in the number of climate-related deaths and paint a picture of world where people struggle with regular temperature extremes. One of the studies finds the number of deaths caused by high temperatures increased by 74% globally between 1980 and

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Parents pull kids from schools as district bucks CDC guidance and board member spreads misinformation

By Eliott C. McLaughlin, CNN It’s the third week of school in Cobb County, Georgia, and many parents are livid with what they perceive to be the district’s lax Covid-19 protocols and dangerous misinformation being disseminated by a school board member via his official email account. Some parents, including those with children suffering from asthma

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England dropped most of its Covid restrictions in July. One month on, here’s how it’s going

By Ivana Kottasová, CNN It’s been a month since England dropped most of its coronavirus restrictions, a move that was welcomed by much of the country’s hard-pressed business sector but criticized by thousands of scientists as a “dangerous and unethical experiment.” In an open letter published in the Lancet medical journal, they argued that a

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Rates of Covid-19 hospitalizations for children and adults under 50 reach their highest levels yet, CDC data shows

By Madeline Holcombe, CNN The pace of Covid-19 hospitalizations is surging across the US, with the rates for children and adults under 50 hitting their highest levels yet, according to data from the US Centers for Disease Control and Prevention. Every age group under 50 has surpassed its previous record of hospitalizations, which was in

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Here’s why fully vaccinated people might need boosters — five takeaways from the White House booster announcement

By Maggie Fox, CNN It sounds confusing — federal health officials say the Covid-19 vaccines are working well, providing more than 90% protection against severe disease and death. They’re keeping people out of the hospitals. Yet they also say studies are showing that even vaccinated people are more likely to become infected now, so they

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