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Long Wait

SARS-CoV-2 vaccines may not reach poorer nations, despite recent promises by richer nations to share doses, according to Nature News.

The US, UK, Germany, Japan, and China have all have pledged to send vaccine doses abroad, but Andrea Taylor from Duke Global Health Innovation Center tells Nature News that these promises likely will not translate to low-income countries getting vaccines faster. She notes that restrictions in the US and European Union on exporting vaccines and vaccine ingredients will likely slow sharing, according to Nature News, adding that export restrictions imposed by India have hindered the COVAX initiative's plan to deliver 2 billion vaccine doses by the end of the year. Taylor's group estimates that the world may be vaccinated by 2023, Nature News adds.

She and others further urge richer nations to boost vaccine dose sharing, especially as new viral variants like Delta spread, it says. "Doses shared now will be so much more impactful than doses in six months. We need wealthy countries to send doses immediately," she tells Nature News.

The Scan

More Boosters for US

Following US Food and Drug Administration authorization, the Centers for Disease Control and Prevention has endorsed booster doses of the Moderna and Johnson & Johnson SARS-CoV-2 vaccines, the Washington Post writes.

From a Pig

A genetically modified pig kidney was transplanted into a human without triggering an immune response, Reuters reports.

For Privacy's Sake

Wired reports that more US states are passing genetic privacy laws.

Science Paper on How Poaching Drove Evolution in African Elephants

In Science this week: poaching has led to the rapid evolution of tuskless African elephants.