People wait in an observation room after receiving a dose of Pfizer-BioNTech coronavirus disease (Covid-19) vaccine at a vaccination center in San Salvador, El Salvador, on March 22, 2022. (REUTERS/Jose Cabezas)
LONDON: If rich nations think the pandemic is over, they should help lower-income countries reach that point too, a senior World Health Organization official told Reuters.
In an interview, WHO senior adviser Bruce Aylward warned that…