HEATHROW, ENGLAND, GROSSBRITANNIEN23. APRIL 2014QUELLE: AFPTV1. Nah sign for heathrow airport2. Halbnahe sign for Terminal 2FORT DETRICK, MARYLAND, VEREINIGTE STAATEN15. JULI 2020QUELLE: NATIONAL INSTITUTE OF ALLERGY AND INFECTIOUS DISEASESEINSCHRÄNKUNGEN: RESTRICTED TO EDITORIAL USE - MANDATORY CREDIT 'AFP PHOTO /NATIONAL INSTITUTE OF ALLERGY AND INFECTIOUS DISEASES/HANDOUT ' - NO MARKETING - NO ADVERTISING CAMPAIGNS - DISTRIBUTED AS A SERVICE TO CLIENTS3. Foto This undated handout image obtained July 15, 2020, courtesy of National Institute of Allergy and Infectious Diseases(NIH/NIAID), shows atransmission electron micrograph of SARS-CoV-2 virus particles, isolated from a patient, captured and color-enhanced at the NIAID Integrated Research Facility (IRF) in Fort Detrick, Maryland.HEATHROW, ENGLAND, GROSSBRITANNIEN16. JULI 2019QUELLE: AFPTV4. Totale plane seen from departure lounge5. Totale departure loungeHEATHROW, ENGLAND, GROSSBRITANNIEN16. JULI 2013QUELLE: AFPTV6. Halbnahe planes7. Totale plane landingBERLIN, DEUTSCHLAND1. OKTOBER 2020QUELLE: POOL8. Foto German virologist Christian Drosten wears a face mask during a ceremony where he was given the 'Bundesverdienstkreuz' Order of Merit of the Federal Republic of Germany at the presidential Bellevue palace in Berlin, Germany, on October 1, 2020.