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"Unfortunately, the public health workers who are the most experienced are also the ones who are the most burned out."

For the roughly 14 million Americans who have received one J&J dose, the booster should be given at least 2 months later.

Also, vaccine mandates hit some snags as the rate of Americans getting booster shots nears 5%.

Experts detail the necessary elements of a rigorous mask study and explore some recent studies that, though highly touted by both scientists and the lay press, fell quite a bit short.

The experts voted unanimously to approve the booster in the same risk groups as for the Pfizer vaccine booster.

The number of unvaccinated Americans has dropped from 100 million in July to 66 million.

About 1.5 million people died from tuberculosis in 2020, up from 1.4 million in 2019, and reporting of cases has dropped substantially.

During a 14-day follow-up, only 8 of 144 infused patients (5.6%) were hospitalized, despite all being at high risk.

Part 1 of a 2-part commentary explains the differences in cloth face coverings and surgical masks, the science of respiratory protection, and the hierarchy of disease controls.

Data on more than 250,000 survivors reveal 54% had at least 1 symptom 6 months or more after diagnosis.

More than 3,500 organizations have mandated COVID-19 vaccines for employees.

Deaths also fall in most parts of the world, though fatalities increased 11% in Europe.

WHO leaders have previously urged countries to postpone broader use of booster doses.

This week Moderna plans to request a half-dose COVID-19 booster.