ZAVENTEM, FLEMISH REGION, BELGIUM - FEBRUARY 26 : In this photo illustration, a French passport and an International Certificate of Vaccination or Prophylaxis are shown in the nearly empty Brussels Zaventem National Airport on February 126 2021 in Brussels, Belgium. The number of daily deaths from the coronavirus is still in sharp decline, according to the latest data released by the Sciensano Public Health Institute on Thursday morning. On average, 30.3 people died of Covid-19 between February 15 and 21, a decrease of 24.3% in one week. In total, the epidemic claimed the lives of 21,988 people in Belgium. (Photo by Thierry Monasse/Getty Images)