For health and support measures currently in place in response to the COVID-19 pandemic in your language, visit sbs.com.au/coronavirus
Two lifejackets for some, none for others: booster shots for at-risk people only says WHO
A health worker in Ukraine holds a vial containing Pfizer Covid-19 vaccine Source: AAP
The World Health Organisation says people with compromised immune systems only should have an extra COVID-19 vaccine dose due to their higher risk.
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