https://speakernews.com.ua/ru/mir/kompanii-pfizer-i-biontech-podali-dokumenty-na-registratsiyu-svoey-vaktsiny-protiv-covid19-10803/svit/kompaniyi-pfizer-i-biontech-podaly-dokumenty-na-reyestratsiyu-svoyeyi-vaktsyny-proty-covid19-10803