Do We Need Covid-19 Booster Shots?

United States, United Kingdom from next week will be administering booster shots to its elderly, vulnerable, frontline workers and health care workers, but according to The Lancet's new study, boosters are not needed for fully vaccinated people yet. The World Health Organization has also imposed a moratorium, but there are many other countries that are administering booster shots, blowing a global debate that calls for caution. So, do we need better protection for few or protection for all? FYI decodes.