Society Hà Nội registers record daily COVID infections, over 13,000 cases confirmed nationwide Friday
Society Record number of COVID cases in Hà Nội on Wednesday, more than 14,000 new infections nationwide
Society Pfizer vaccine batches usable three months after imprinted expiry date: Health ministry, Pfizer
Society 'Unsung heroes' help transport mothers, newborn babies back to their hometowns during COVID-19 outbreak
Bulgarian president Rumen Radev: Vietnamese friends encouraged to cherish Bulgaria as their second home 2.