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mRNA Vaccines May Offer Lasting Protection, Study Finds

A study finds that the Pfizer and Moderna vaccines could offer protection for years

The vaccines made by Pfizer-BioNTech and Moderna set off a persistent immune reaction in the body that may protect against the coronavirus for years, scientists reported on Monday.

The findings add to growing evidence that most people immunized with the mRNA vaccines may not need boosters, so long as the virus and its variants do not evolve much beyond their current forms — which is not guaranteed. People who recovered from Covid-19 before being vaccinated may not need boosters even if the virus does make a significant transformation.

“It’s a good sign for how durable our immunity is from this vaccine,” said Ali Ellebedy, an immunologist at Washington University in St. Louis who led the study, which was published in the journal Nature.

The study did not consider the vaccine made by Johnson & Johnson, but Dr. Ellebedy said he expected the immune response to be less durable than that produced by mRNA vaccines.

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San Diego's mayor and lawmakers call for end to COVID restrictions at the US-Mexico border

A group of southern California lawmakers, including San Diego's mayor, called for an end to pandemic restrictions along the border with Mexico as part of an effort to boost the local economy.

"As the rate of COVID-19 cases continue to plummet, and other restrictions have been lifted, I see no reason to continue selective restrictions that impact our cross-border community," mayor Todd Gloria said in a press release.

The border has been closed to non-essential travel since March 2020. The Dept. of Homeland Security last Sunday extended through July 21 those restrictions for all land or ferry crossings into the US.

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FDA adds warning about rare heart inflammation to Pfizer, Moderna COVID shot literature

Booster may be needed for J&J shot as Delta variant spreads

WHO urges fully vaccinated people to continue to wear masks as delta Covid variant spreads

It could take up to a year for covid victims to regain ability to taste and smell

Russia mandates vaccinations for some as virus cases surge

Opinion: The mRNA Vaccines Are Extraordinary, but Novavax (although slower out the gate) Is Even Better

Explainer: There are at least 200 known cases of the Delta Plus coronavirus variant worldwide.

Researchers looking into possible benefits of people receiving two different coronavirus vaccines

The most widely used coronavirus vaccines are designed as two-shot inoculations, and nearly everyone worldwide who has had both doses has received the same vaccine both times.

But that is changing, as more countries are allowing — and even, in some cases, encouraging — mix-and-match inoculation, with people receiving a first shot of one vaccine, and then a second shot of a different one. On Tuesday, Germany’s government revealed that Chancellor Angela Merkel had received two different shots, adding to the growing interest in the practice.

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COVAX vaccines to receive more funding; tighter access planned

Some previously relaxed places are reimposing restrictions because of new COVID-19 outbreaks

ANALYSIS: Almost all of those dying in the U.S. from COVID-19 have not been vaccinated

Nearly all COVID-19 deaths in the U.S. now are in people who weren’t vaccinated, a staggering demonstration of how effective the shots have been and an indication that deaths per day — now down to under 300 — could be practically zero if everyone eligible got the vaccine.

An Associated Press analysis of available government data from May shows that “breakthrough” infections in fully vaccinated people accounted for fewer than 1,200 of more than 853,000 COVID-19 hospitalizations. That’s about 0.1%.

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Israel faces new outbreak of COVID-19 cases, reinstates indoor mask requirements

JERUSALEM — Israel has been a trailblazer in the post-pandemic world, largely returning to normal in May following one of the world’s fastest vaccination drives.

But dozens of new cases recently emerged at schools in two cities, Modiin and Binyamina, leading to hundreds of people being quarantined. Israel has made 12- to 15-year-olds eligible for vaccination, but many have yet to get shots.

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Africa faces severe oxygen shortages to treat patients

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