Over 2,000 families in three areas in the Ratnapura district have been affected by Chikungunya while 500 patients with fever sought treatment at the Eheliyagoda hospital last Thursday, Healthcare and Nutrition Ministry spokesman said. The Ministry also warned of possible outbreaks of diseases like dengue, malaria and filaria following the rains the country is experiencing. He said the Ministry has made arrangements to control the outbreak under the direction of Minister Nimal Siripala de Silva.