The rise of Omicron, the latest SARS-CoV-2 variant of concern, reminds us how quickly things can change during the pandemic.

Only a few weeks ago, we were hearing about a range of potential new COVID-19 antiviral drugs and antibody treatments.

Now researchers are asking if such drugs will still work to treat Omicron, with its multiple new mutations. We’ll be hearing more about this in coming weeks.

However, another approach to treating COVID-19 is to ‘treat the host’.