Geneva, Aug 20 (UNI) The European office of the World Health Organization (WHO) told Sputnik that countries should boost the COVID-19 vaccination campaign and promote wearing face masks in public places to protect people from the Omicron strain in fall-winter.
The WHO stressed that booster doses should be delivered to people aged more than five years.
The organization also called on governments to prepare for increasing pressure on health care systems.
UNI/SPUTNIK GNK