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Articles on SARS-CoV-2

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Vaccines don’t ward off every single infection but they do massively lower the risk. Education Images/Universal Images Group via Getty Images

What is a breakthrough infection? 6 questions answered about catching COVID-19 after vaccination

Vaccines can’t provide 100% protection, so it’s not a failure or surprise when some vaccinated people get sick with COVID-19. The good news is their cases are much less likely to be severe or fatal.
Masking indoors will yet again be the new normal in Los Angeles County – and possibly elsewhere in the U.S. Lourdes Balduque/ Moment via Getty Images

Should fully immunized people wear masks indoors? An infectious disease physician weighs in

As Los Angeles County again mandates masking indoors – even for the fully vaccinated – local health officials in the U.S. are closely eyeing their own COVID-19 vaccination and infection rates.
As coronavirus cases surge, unvaccinated people are accounting for nearly all hospitalizations and deaths. Fat Camera/E+ via Getty Images

US is split between the vaccinated and unvaccinated – and deaths and hospitalizations reflect this divide

The US has split into “two Americas,” one of the unvaccinated and one of the vaccinated. The differences in deaths and hospitalizations between the two populations are striking.
Security precautions, thoughtful facilities design, careful training and safe lab practices help keep pathogens isolated. Boston University Photography

We work with dangerous pathogens in a downtown Boston biocontainment lab – here’s why you can feel safe about our research

The microbiologist who directs the National Emerging Infectious Diseases Laboratories at Boston University explains all the biosafety precautions in place that help him feel safer in the lab than out.
Photo by Sharon Seretlo/Gallo Images via Getty Images

South Africa’s vaccine quagmire, and what needs to be done now

South Africa has clearly suffered the consequences of poor strategic decisions to this point. It doesn’t need to continue along these lines.

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