The truth is, journey bans don’t clear up the issue—they simply postpone it, says Raghib Ali, an epidemiologist on the College of Cambridge, UK. Higher testing is a much more efficient measure.
“We want a balanced and proportional response. Which means no journey bans, however testing and quarantine for individuals coming from international locations the place omicron is circulating,” says Ali.
The journey bans might have one other damaging knock-on impact: chopping South Africa off from the scientific provides it must do the genomic surveillance that might elucidate the affect of omicron in real-world settings. Tulio de Oliveira, a bioinformatician