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February 3, 2021

GlobalData Epidemiologist Report: Concern as Brazil passes herd immunity threshold but infections continue to rise

By Paul Dennis

Globally, the total confirmed cases of Covid-19 have reached over 103,972,000 with over 2,255,000 deaths and 57,777,000 recoveries.

The US, India, and Brazil remain the three countries with the highest total confirmed cases worldwide, with the UK maintaining its position as fourth worst affected country.

However, rates of new daily confirmed cases continue to trend downwards across all.

Within the EU, France, Spain and Italy remain the forerunners with the highest total confirmed cases.

Of these three countries Italy has the highest case fatality rate at 3.48%, which compares to 2.36% and 2.1% for France and Spain, respectively.

During January 2021, the Brazilian city of Manaus experienced a sharp increase in the number of hospitalisations due to Covid-19 during a second wave of infection, despite a large proportion of the population having been infected by the virus during the first wave.

Seroprevalence studies undertaken in the city indicated approximately 75% inhabitants had been infected by SARS-COV-2 by October 2020, surpassing the herd immunity threshold.

Case numbers began to rise shortly following the detection of the new variant (P.1) within Brazil, leading to concerns over whether the newer strains may be able to evade antibodies and therefore negatively impact vaccine efficacy.

Ellie Sutcliffe, BSc, Senior Analyst and Associate Epidemiologist at GlobalData

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