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Articles on COVID-19 quarantine

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The CDC’s new recommendations have caused consternation among the public, the media and even among doctors. Justin Paget/DigitalVision via Getty Images

Clarifying the CDC’s COVID-19 quarantine and isolation guidelines – an infectious disease doc looks at the latest research

The CDC’s controversial recommendation changes are based on new studies showing that most omicron transmission takes place within five days of the onset of illness.
A researcher at the Africa Health Research Institute in Durban, South Africa, works on the omicron variant of the COVID-19 virus in December 2021. African countries were penalized by Canada’s travel ban even though they discovered the Omicron variant via complex sequencing work when western nations failed to. (AP Photo/Jerome Delay)

I was ensnared in Canada’s harsh and unscientific African travel ban

Ottawa’s travel ban against African countries made clear its underlying policy: What matters is not your test result, but where you’ve been. It’s yet another example of anti-Africa discrimation.
AAP/Nick Perry

A new community case of COVID-19 in New Zealand is a matter of when, not if. Is the country prepared for it?

Border restrictions and quarantine have kept COVID-19 out of New Zealand, but new modelling shows contact tracing and quick isolation would control an outbreak, without the need for another lockdown.
Mark Baker/AP

How New Zealand could keep eliminating coronavirus at its border for months to come, even as the global pandemic worsens

Our new modelling shows the risk of an infectious person slipping through New Zealand’s border undetected is very low — likely to happen only once over the next 18 months.
For large households living at close quarters, as in Melbourne’s public housing towers, hotel isolation of people with COVID-19 is likely to be more cost-effective. James Ross/AAP

Is aggressive hotel isolation worth the cost to fight COVID-19? The answer depends on family size

The spread of the virus through households creates costs higher than for isolation in hotels when families are large and living at close quarters as in Melbourne’s public housing towers.
Asiandelight/Shutterstock

2 new COVID-19 cases in New Zealand, but elimination of community transmission still stands

Two new cases of COVID-19 have been announced in New Zealand, after 23 consecutive days with no new cases. But that doesn’t mean that the country’s elimination efforts have failed.

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