OVERVIEW: Australia, U.S. Europe, cruise line

Delta variant is prompting some officials to rethink Covid-19 measures

Three studies offered fresh evidence that widely used vaccines will continue to protect people against the coronavirus for long periods

Three scientific studies released on Monday offered fresh evidence that widely used vaccines will continue to protect people against the coronavirus for long periods, possibly for years, and can be adapted to fortify the immune system still further if needed.

Most people immunized with the mRNA vaccines may not need boosters, one study found, so long as the virus and its variants do not evolve much beyond their current forms — which is not guaranteed. Mix-and-match vaccination shows promise, a second study found, and booster shots of one widely used vaccine, if they are required, greatly enhance immunity, according to a third report.

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Study indicates mix-and-match Covid vaccine approach boosts immune response

A mixed schedule of vaccines where a shot of Pfizer's Covid-19 vaccine is given four weeks after an AstraZeneca shot will produce better immune responses than giving another dose of AstraZeneca, an Oxford study said on Monday.

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OPINION: A plan for reinvesting in U.S. public health system

Young Adults Are Among the Biggest Barriers to Mass Immunity in the U.S.

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As the country’s vaccination campaign slows and doses go unused, it has suddenly become clear that one of the biggest barriers to mass immunity will be persuading skeptical young adults of all backgrounds to get shots. Federal officials expressed alarm in recent days about low vaccination rates among Americans in their late teens and 20s, and have blamed them for the country’s all-but-certain failure to reach President Biden’s goal of giving 70 percent of adults at least an initial dose by July 4.

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More than half of public health workers showed signs of at least one mental health condition during the pandemic--CDC study

Among 26,174 surveyed state, tribal, local, and territorial public health workers, 53.0% reported symptoms of at least one mental health condition in the past 2 weeks. Symptoms were more prevalent among those who were unable to take time off or worked ≥41 hours per week.

What are the implications for public health practice?

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Parents need to act now to fully vaccinate children before school starts

Education Secretary announces Puerto Rico to receive nearly $4B in US pandemic funds

SAN JUAN, Puerto Rico (AP) — U.S. Education Secretary Miguel Cardona said Monday that Puerto Rico will receive nearly $4 billion in federal education pandemic relief funds to help boost the U.S. territory’s fight against COVID-19.

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Fake vaccine certificates booming on Moscow’s black market

Australia faces clusters of COVID-19 clusters in new dangerous phaser

OVERVIEW: U.S.vaccinations and overseas developments

The Delta variant will cause 'very dense outbreaks' in these five states, expert says

Some experts urge FDA to move more quickly to fully approve COVID-19 vaccines

Calls are rising from some experts for the Food and Drug Administration (FDA) to move faster to fully approve the COVID-19 vaccines, in what could be a key step to address vaccine hesitancy.

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AstraZeneca says it is on track to meet Southeast Asia vaccine orders

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