another variant called lambda, first detected in south america, now reaching the u.s. in small numbers, including texas and louisiana. early data suggests that the lambda variant might partially chip away at vaccine efficacy. but for now, lambda is not considered a variant of concern. across the country, patience with the unvaccinated is wearing thin. new jersey's governor this week blasting anti-vaccine protesters. >> you've lost your minds. you are the ultimate knuckleheads, and because of what you are saying and standing life. >> reporter: with rising cases, the governor of new jersey once again requiring masks in all schools. but in florida, the governor has banned mask mandates in schools, despite the protests of worried parents. >> the mask, unless everynofy is wearing it, it doesn't protect him. our children are not science experiments. and it's better than being on a ventilator or in the icu. >> reporter: but the state board of education today taking steps on behalf of parents who don't want masks, approving vouchers that can be used at private schools for children who feel bullied in districts trying to require masks.