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Artikel-artikel mengenai COVID-19 variants

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High-touch surfaces in grocery stores were tested as a potential transmission point for SARS-CoV-2. THE CANADIAN PRESS/Christopher Katsarov 

Testing high-touch surfaces in grocery stores for COVID-19

The risk of COVID-19 exposure from high-touch surfaces within grocery stores is low if physical distancing guidelines and recommended cleaning protocols are followed.
The huge number of active coronavirus infections offers plenty of opportunity for mutations to occur and new variants to arise. Eoneren/E+ via Getty Images

Massive numbers of new COVID–19 infections, not vaccines, are the main driver of new coronavirus variants

When the coronavirus copies itself, there is a chance its RNA will mutate. But new variants must jump from one host to another, and the more infections there are, the better chance this will happen.
For children, the risks associated with school closures have surpassed the health risks associated with COVID-19. (Shutterstock)

COVID-19 back to school Q&A: Is it safe for unvaccinated children to go to school in person? Is the harm of school closures greater than the risk of the virus?

Amid uncertainties about what the pandemic will look like this fall, experts answer questions about risks of infection in unvaccinated children and the risks of missing in-person school.
Shutterstock

South African health experts have identified a new lineage of SARS-CoV-2: what’s known so far

We are being cautious about the implications for vaccine efficacy and transmissibility while we gather more data to understand this lineage.
To reduce the spread of COVID-19 in unvaccinated children, epidemiologists rely on a layered approach of interventions including masking, ventilation, cohorting and promoting vaccination for all eligible community members. (AP Photo/Chris O'Meara, File)

Back-to-school FAQs on children’s health & COVID-19: Delta variant, preventing infection, testing and international examples

With no vaccination yet in children under 12, preventing COVID-19 spread in schools depends on fine-tuning policy interventions according to local epidemiology and vaccination rates.
Amid growing COVID-19 transmission, hospitalization and death rates, mask mandates are returning in some states. Luis Alvarez/DigitalVision via Getty Images

State policies can provide clear guidance on when to put on and take off masks – with benefits to health, education and the economy

After the CDC changed course in late July, recommending universal masking indoors, Nevada became the first state to adopt a flexible masking policy that can quickly adjust to changing COVID-19 rates.

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