Israeli researchers warn of new international COVID wave, driven by Delta comeback Omicron didn’t wipe out the previous variant, which is super-resilient and could reemerge with a vengeance, according to peer-reviewed study based on cutting-edge sewage monitoring timesofisrael

There is a real danger of another international COVID wave this summer, with the Delta variant possibly poised to make a comeback, new Israeli research suggests.

Newer, fitter descendants of Omicron variant begin to drive their own coronavirus waves There's no denying the numbers: Even with spotty reporting, Covid-19 cases and hospitalizations are rising again in the United States. Brenda Goodman, CNN CNN

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What happens if I get COVID-19 while traveling? What happens if I get COVID-19 while traveling? Depending on your destination, it could result in an unexpected change in plans, such as being required to stay isolated in a hotel. It's why the U.S. AP NEWS

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More uniformly infectious, more treatable, more genetically predictable: How coronavirus is getting closer to flu There are signs that the coronavirus — and our relationship to it — is shifting in subtle ways that make it more like seasonal flu than it was at the start of the pandemic. Megan Molteni STAT

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Here’s why people with allergic asthma are at lower COVID-19 risk A protein called IL-13 mounts defenses that include virus-trapping mucus and armor that shields airway cells from infection. Tina Hesman Saey Science News

Scientists are discovering a surprising bright side for some people with asthma: They are less susceptible to COVID-19.

Another pandemic is inevitable, scientists say. Mass vaccination is not. Scientists can make safe and effective vaccines against novel pathogens. The bigger challenge is persuading everyone to use them. NBC News

In April, more than 1,000 vaccine experts gathered in Washington, D.C. for the first time since the pandemic began. Over four days, scientists, doctors and drugmakers pored over cutting-edge research and tackled some of the most pressing questions in the world of vaccines. 

BA.4, BA.5, 2 new Omicron variants detected in the U.S., could spark another COVID wave. Research shows these people will fare best The new spawns of Omicron sweeping South Africa have arrived in the U.S. Yahoo

Two new strains of COVID that appear to be more transmissible than even “stealth Omicron,” and that have the ability to evade antibodies from vaccination and prior infection, have arrived in the U.S.—and they could mean a new wave is coming.