(Reuters) – No evidence is currently available to suggest that adolescents and children a healthy for COVID-19 boosters are needed, Soumya Swminathan, Chief Scientist at World Health Organization, stated Tuesday.

At a press conference, she stated that there was some loss of immunity to the Omicron coronavirus over the years, but more research is needed to determine who requires booster doses.

It is not clear that heavy or healthy teenagers need boosters. There is no evidence,” she stated.

Israel started offering boosters to children aged 12 and later, the U.S. Food and Drug Administration authorized the administration of a third dose. Pfizer (NYSE:) & BioNTech COVID-19 vaccination for children 12-15

Germany is the latest country that recommended last week that all children 12-17 years of age receive a COVID-19 booster injection. Hungary is also doing so.

Swaminathan stated that the WHO’s leading group of experts will meet this week to discuss the question of whether countries should give boosters to their population.

“The goal is to protect vulnerable people, those most at risk for serious disease or death. She said that those include our elderly, people who are immunocompromised and have underlying conditions as well as healthcare workers.