Coronavirus tweets TEST

limit: without deleting dublicates and retweets, during parsing were several disconnections (April 7-8)

request 1: coronavirus', 'فايروس كورونا', '新冠', 'коронавирус', 'corona vírus', 'ویروس کرونا', 'kορονοϊός', 'korona vírus'

request 2: cov19', 'covid19', 'covid-19', 'SARS-CoV-2', 'كوفيد-19' ,'سارس', '病毒', '抗疫', '病例', '流行病', 'ков19', 'ковид19','ковид-19', 'کووید۱۹', 'کووید-۱۹'