PREMIUM
ANGEL DÍAZ
Madrid
Updated Tuesday, 18May2021-22: 21
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Live Coronavirus in Spain today
Covid-19 When do I remove my mask?
Between the advance of vaccines and the fear of new strains
The science of the coronavirus evolves at full speed, although, unfortunately, not as fast as the infection spreads.
The necessary preventive measures have not changed, but the classification of contagion mechanisms is under constant review.
The US Centers for Disease Control and Prevention (CDC) just updated its guide to
shed light on various ambiguities and confusions
.
The controversy, like the pandemic itself, continues.
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