Olympics Virus Cases Raise Tricky Questions About Testing

Moreover, questions on transmission stay unsettled. Vaccinated individuals with asymptomatic or breakthrough infections should still have the ability to cross the virus on to others, however it’s not but clear how usually that occurs.

Until that science is extra definitive, or till vaccination charges rise, it’s best to err on the facet of security and common testing, many consultants mentioned. At the Olympics, as an illustration, frequent testing might assist shield the broader Japanese inhabitants, which has comparatively low vaccination charges, in addition to the assist workers, who could also be older and at increased threat.

“It’s these people I’m most nervous about, actually,” mentioned Dr. Lisa Brosseau, a analysis advisor at University of Minnesota’s Center for Infection Disease Research and Policy.

Not solely can they contract the virus, including pressure on the Japanese well being care system, however they will additionally change into sources of transmission: “Everybody’s in danger, and everyone might doubtlessly be contaminated,” she mentioned.

According to the Tokyo 2020 press workplace, all Olympics workers and volunteers have been supplied the chance to be vaccinated, although officers didn’t present knowledge on what number of had acquired the photographs.

Instead of testing much less often, officers might rethink how they reply to optimistic checks, Dr. Binney mentioned. For occasion, if somebody who’s vaccinated and asymptomatic checks optimistic, she or he ought to nonetheless be remoted — however maybe shut contacts might merely be monitored, moderately than being positioned into quarantine.

“You’re attempting to steadiness the disruptive nature of what you do when someone vaccinated checks optimistic towards any positive factors at slowing or stopping the unfold of the virus,” Dr. Binney mentioned.

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