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The head of the Mexican navy, Rafael Ojeda, has said he had tested positive for Covid for the second time.

Ojeda, who said on Twitter he would be working in isolation from home, announced his first positive test in October. The news came less than a week after the head of the Mexican army, Luis Cresencio Sandoval, said he had coronavirus.

Mexico’s president Andres Manuel Lopez Obrador (centre), secretary of defence Luis Sandoval (left) and secretary of the navy admiral Rafael Ojeda (right) on 10 February. Photograph: Edgard Garrido/Reuters

Brazil has fully approved the Covid-19 vaccine developed by Pfizer and BioNTech, health regulator Anvisa has announced, although it remains to be seen if Brasilia and Pfizer can end a dispute and agree a supply deal, Reuters reports.

The Pfizer/BioNTech shot is the first vaccine against Covid to receive full approval in Brazil, Anvisa said. Other vaccines developed by AstraZeneca and China’s Sinovac have only been approved for emergency use so far.

The approval is good news for a country whose immunisation campaign has been plagued by delays and political squabbling. However, it is unclear whether the definitive approval of the vaccine will pave the way for a supply deal of a highly effective shot that is already being applied globally…

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From The Guardian - February 23, 2021