The World Health Organization said Tuesday that blanket travel bans would not prevent the spread of the Omicron Covid-19 variant of concern, after dozens of countries imposed restrictions.
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"Blanket travel bans will not prevent the international spread, and they place a heavy burden on lives and livelihoods. In addition, they can adversely impact global health efforts during a pandemic by disincentivising countries to report and share epidemiological and sequencing data," the WHO said in a travel advice statement on Omicron.
It added that people vulnerable to developing severe Covid-19 disease, including the over-60s, should be advised to postpone travel.
"Persons who are unwell or at risk of developing severe Covid-19 disease and dying, including people 60 years of age or older or those with co-morbidities (e.g. heart disease, cancer and diabetes), should be advised to postpone travel," the WHO said in a travel advice statement on Omicron.