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What the latest omicron subvariants mean for reinfection risk

Wed, 2022-05-04 10:12 — mike kraft

What the latest omicron subvariants mean for reinfection risk In the U.S., the BA.2.12.1 subvariant is gaining a foothold, while South Africa is seeing a surge in cases from two other subvariants, BA.4 and BA.5. NBC News

... research shows antibodies obtained from vaccination or infection gradually wane over time, and each new omicron subvariant, though still a part of the larger omicron family tree, is slightly different from the last, meaning a person's ability to fight off infections from the virus can shift.

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Dangers of new international COVID wave, driven by Delta comeback --Israeli researchers

Wed, 2022-05-04 09:56 — mike kraft

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.

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Newer, fitter descendants of Omicron variant begin to drive their own coronavirus waves

Wed, 2022-05-04 09:49 — mike kraft

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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US is closely watching South African Covid surge for clues

Wed, 2022-05-04 09:43 — mike kraft

The US is closely watching this Covid surge for clues | CNN Covid-19 cases are spiking in South Africa, and public health experts in the United States are following the data closely, waiting to see what it might reveal about how immunity from previous infections behaves over time. Eliza Mackintosh,Hafsa Khalil CNN

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Pfizer hopes to submit vaccine data for children under 5 by early June

Tue, 2022-05-03 18:07 — mike kraft

Pfizer hopes to submit little-kid vaccine data by early June Pfizer now hopes to tell U.S. regulators how well its COVID-19 vaccine works in the littlest kids by late May or early June. Pfizer is testing three extra-small doses of its vaccine in children under 5 after two shots didn't prove quite strong enough. AP NEWS

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Advice if one gets COVID-19 while traveling

Tue, 2022-05-03 18:00 — mike kraft

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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U.S. CDC recomends that passengers should still wear masks on airplanes

Tue, 2022-05-03 17:02 — mike kraft

U.S. CDC says travelers should still wear masks on airplanes The U.S. Centers for Disease Control and Prevention (CDC) on Tuesday recommended travelers continue to wear masks in airplanes, trains and airports despite a judge's April 18 order declaring the 14-month-old transportation mask mandate unlawful. David Shepardson Reuters

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How coronavirus is more closely resembling the flu in some characterisitics

Tue, 2022-05-03 10:12 — mike kraft

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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The body’s response to allergic asthma also helps protect against COVID-19

Tue, 2022-05-03 09:55 — mike kraft

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.

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A major threat to the next pandemic: Vaccine hesitancy

Tue, 2022-05-03 09:49 — mike kraft

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.

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