Voters who turn out for the General Election on Thursday will have “an extra layer of protection” from Covid-19, a Government spokeswoman said today.Saliva tests for the coronavirus will be offered by the Ministry of Health for officials employed by the Parliamentary Registrar, as well as election candidates, tonight and tomorrow night.Opening hours at the Perot Post office test centre on Queen Street in Hamilton will be extended from 6pm to 9pm both nights to allow tests to be carried out