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Africa CDC, WHO, Robert Koch Institute Launch Disease Surveillance Partnership

Killer variant : Further criticism of Lauterbach – Hola Arkansas

Germany cuts COVID-19 natural immunity status to 90 days now

Proof of prior infection must be provided using nucleic acid detection or a PCR test. Anyone who can show a positive PCR test result that is at least 28 days old is considered recovered. - Germany Breaking News - eTurboNews | Trends | Travel News

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