They noted that when teachers in Israel went on strike during the 1999-2000 flu season, medical consultations and the number of respiratory infections fell by more than one-fifth and more than two-fifths, respectively.
Walisema kuwa wakati walimu huko Israeli walikuwa na mgomo wakati wa msimu wa homa ya mafua ya 1999-2000, kutembelea madaktari na nambari ya maambukizi ya kupumua ilipunguka kwa zaidi ya humusi na zaidi ya humusi mbili mtawalia.