Concerns over the Omicron variant and waning vaccine-induced protection against the infection have highlighted the need for boosters to protect the most vulnerable.
While a few months ago experts have been warning nations to delay booster shots, some have now changed their tune and have revealed that booster shots may be the key to strengthening the immune system.
A scientific study published in the Lancet journal reveals that people who received a booster shot within two or three months of their second dose developed higher immunity against the deadly coronavirus.