Fauci urges caution as COVID cases rise, new variants emerge amid mixed evidence on masks

Fauci defends masking despite a recent study questioning effectiveness, citing data showing benefits at the individual level.
There are concerns Americans may resist recommendations to mask up again as cases increase after prior mandates.
Hospitalizations and deaths have risen over the past week as new variants like BA.2.86 emerge.
Fauci acknowledges masks likely won't be mandated nationwide but could be required by some local institutions.
While criticized by some, Fauci maintains masks can help protect vulnerable groups and urges following expert advice.