The United States has approved Pfizer-BioNTech vaccine against coronavirus for emergency use. The US citizens are going to witness mass immunisation in less than 24 hours.
The US President Donald Trump has also released a video message on Twitter to announce the crucial development. “This is one of the greatest scientific accomplishments in history, it will save millions of lives and soon end the pandemic once and for all,” Trump shared his comments online.
Earlier this week, British authorities have also started the vaccination campaign in UK. The United State is the most affected country in the coronavirus outbreak as the virus has already killed its 300,000 population.