Diseases, Conditions, Syndromes

What happens to immunity levels post COVID-19 infection?

Australian scientists have described the evolution of immunity levels up to four months following COVID-19 infection, finding that while antibody levels drop dramatically in the first one to two months, the decrease then ...

Diseases, Conditions, Syndromes

India sees new lockdowns as coronavirus cases rise again

Cases of COVID-19 are increasing in some parts of India after months of a steady nationwide decline, prompting authorities to impose lockdowns and other virus restrictions.

Diseases, Conditions, Syndromes

Pfizer/BioNTech first dose 85% effective after 2-4 weeks: study

The first dose of the Pfizer/BioNTech vaccination is 85 percent effective against coronavirus infection between two and four weeks after inoculation, according to a study published in the Lancet medical journal.

Diseases, Conditions, Syndromes

Brazil passes 10 mn coronavirus infections

Brazil, the country with the second-highest coronavirus death toll, passed the 10-million mark for reported infections Thursday, amid a deadly second wave and problems with its vaccination campaign.

Diseases, Conditions, Syndromes

African COVID deaths top 100,000

Africa on Thursday recorded more than 100,000 deaths from COVID-19, a grim milestone likely to understate the real toll, as the continent of 1.2 billion people battles a second wave of infections.

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