Ключевые слова: 19, alert, at, blue, boris, close, corona, coronavirus, covid, covid19, down, ee, emergency, government, hand, health, home, johnson, kingdom, lock, lockdown, message, mobile, national, network, nhs, nineteen, o2, our, pandemic, protect, service, sms, stay, text, three, uk, united, up, vodaphone, warning,