Published: 11:13am, 9 May, 2021 Updated: 2:56pm, 9 May, 2021 Post navigation US joins call to action two years after Trump administration declined due to free speech concerns In a late night affidavit submitted in the Supreme Court, the Centre defended its COVID-19 vaccination policy, which has been criticised for differential pricing, shortage of doses, and slow rollout. The Centre added that the price factor will not have any im…