Since the onset of the pandemic, discussion on the vaccine against Covid-19 has been the top priority. After the arrival of the vaccines, the government worked on immunising citizens against infection. ICMR reports have also suggested that even a single dose of vaccine helps people to fight the infection. A single dose of vaccine can help mitigate the illness and the countries which have vaccinated maximum citizens are now almost free from illness due to Covid-19. Watch the report to find out more details.