The risk of a household contact becoming infected is low. So it’s time to lift isolation requirements, now so many of us are immune to the virus.
A rapid antigen test is a screening tool – it can indicate that you might be infected, but you need a PCR test to confirm the result.
The traffic light alert system, first proposed in response to the 2003 Beijing SARS outbreak, is already being used around the world to classify travel and inform restrictions in classrooms.
With COVID-19 cases rising in more than half of the states, the next two weeks are critical for stopping a spike in cases. An epidemiologist reminds us to get back to the basics now.