Company Respilon, face mask, with copper oxides

Company Respilon, face mask, with copper oxides

Respilon company presents new project during the briefing in Czech Technology Park, where company plans manufacturing lines capable of producing 100,000 nanoparticle respirators and face masks capable of protecting against the novel coronavirus, in Brno, Czech Republic, April 8, 2020. (CTK Photo/Vaclav Salek)

Company Respilon, face mask, with copper oxides

Company Respilon, face mask, with copper oxides

Respilon company presents new project during the briefing in Czech Technology Park, where company plans manufacturing lines capable of producing 100,000 nanoparticle respirators and face masks capable of protecting against the novel coronavirus, in Brno, Czech Republic, April 8, 2020. (CTK Photo/Vaclav Salek)

Company Respilon, face mask, with copper oxides

Company Respilon, face mask, with copper oxides

Respilon company presents new project during the briefing in Czech Technology Park, where company plans manufacturing lines capable of producing 100,000 nanoparticle respirators and face masks capable of protecting against the novel coronavirus, in Brno, Czech Republic, April 8, 2020. (CTK Photo/Vaclav Salek)

Company Respilon, face mask, with copper oxides

Company Respilon, face mask, with copper oxides

Respilon company presents new project during the briefing in Czech Technology Park, where company plans manufacturing lines capable of producing 100,000 nanoparticle respirators and face masks capable of protecting against the novel coronavirus, in Brno, Czech Republic, April 8, 2020. (CTK Photo/Vaclav Salek)

Company Respilon, face mask, with copper oxides

Company Respilon, face mask, with copper oxides

Respilon company presents new project during the briefing in Czech Technology Park, where company plans manufacturing lines capable of producing 100,000 nanoparticle respirators and face masks capable of protecting against the novel coronavirus, in Brno, Czech Republic, April 8, 2020. (CTK Photo/Vaclav Salek)

Company Respilon, face mask, with copper oxides

Company Respilon, face mask, with copper oxides

Respilon company presents new project during the briefing in Czech Technology Park, where company plans manufacturing lines capable of producing 100,000 nanoparticle respirators and face masks capable of protecting against the novel coronavirus, in Brno, Czech Republic, April 8, 2020. (CTK Photo/Vaclav Salek)

Company Respilon, face mask, with copper oxides

Company Respilon, face mask, with copper oxides

Respilon company presents new project during the briefing in Czech Technology Park, where company plans manufacturing lines capable of producing 100,000 nanoparticle respirators and face masks capable of protecting against the novel coronavirus, in Brno, Czech Republic, April 8, 2020. (CTK Photo/Vaclav Salek)

JANA ZIMOVA, owner, Company Respilon, face mask, with copper oxides

JANA ZIMOVA, owner, Company Respilon, face mask, with copper oxides

Respilon company representative Jana Zimova gives a briefing in Czech Technology Park, where company plans manufacturing lines capable of producing 100,000 nanoparticle respirators and face masks capable of protecting against the novel coronavirus, in Brno, Czech Republic, April 8, 2020. (CTK Photo/Vaclav Salek)

JANA ZIMOVA, owner, Company Respilon, face mask, with copper oxides

JANA ZIMOVA, owner, Company Respilon, face mask, with copper oxides

Respilon company representative Jana Zimova gives a briefing in Czech Technology Park, where company plans manufacturing lines capable of producing 100,000 nanoparticle respirators and face masks capable of protecting against the novel coronavirus, in Brno, Czech Republic, April 8, 2020. (CTK Photo/Vaclav Salek)

JANA ZIMOVA, owner, Company Respilon, face mask, with copper oxides

JANA ZIMOVA, owner, Company Respilon, face mask, with copper oxides

Respilon company representative Jana Zimova gives a briefing in Czech Technology Park, where company plans manufacturing lines capable of producing 100,000 nanoparticle respirators and face masks capable of protecting against the novel coronavirus, in Brno, Czech Republic, April 8, 2020. (CTK Photo/Vaclav Salek)

JANA ZIMOVA, owner, Company Respilon, face mask, with copper oxides

JANA ZIMOVA, owner, Company Respilon, face mask, with copper oxides

Respilon company representative Jana Zimova gives a briefing in Czech Technology Park, where company plans manufacturing lines capable of producing 100,000 nanoparticle respirators and face masks capable of protecting against the novel coronavirus, in Brno, Czech Republic, April 8, 2020. (CTK Photo/Vaclav Salek)

JANA ZIMOVA, owner, Company Respilon, face mask, with copper oxides

JANA ZIMOVA, owner, Company Respilon, face mask, with copper oxides

Respilon company gives press conference on new Virus Killer antiviral face mask in Brno, Czech Republic, March 17, 2020. (CTK Photo/Vaclav Salek)

JANA ZIMOVA, owner, Company Respilon, face mask, with copper oxides

JANA ZIMOVA, owner, Company Respilon, face mask, with copper oxides

Respilon company gives press conference on new Virus Killer antiviral face mask in Brno, Czech Republic, March 17, 2020. (CTK Photo/Vaclav Salek)

Company Respilon, face mask, with copper oxides

Company Respilon, face mask, with copper oxides

Respilon company gives press conference on new Virus Killer antiviral face mask in Brno, Czech Republic, March 17, 2020. (CTK Photo/Vaclav Salek)

JANA ZIMOVA, owner, Company Respilon, face mask, with copper oxides

JANA ZIMOVA, owner, Company Respilon, face mask, with copper oxides

Respilon company gives press conference on new Virus Killer antiviral face mask in Brno, Czech Republic, March 17, 2020. (CTK Photo/Vaclav Salek)

JANA ZIMOVA, owner, Company Respilon, face mask, with copper oxides

JANA ZIMOVA, owner, Company Respilon, face mask, with copper oxides

Respilon company gives press conference on new Virus Killer antiviral face mask in Brno, Czech Republic, March 17, 2020. (CTK Photo/Vaclav Salek)

JANA ZIMOVA, owner, Company Respilon, face mask, with copper oxides

JANA ZIMOVA, owner, Company Respilon, face mask, with copper oxides

Respilon company gives press conference on new Virus Killer antiviral face mask in Brno, Czech Republic, March 17, 2020. (CTK Photo/Vaclav Salek)

Company Respilon, face mask, with copper oxides

Company Respilon, face mask, with copper oxides

Respilon company gives press conference on new Virus Killer antiviral face mask in Brno, Czech Republic, March 17, 2020. (CTK Photo/Vaclav Salek)

Company Respilon, face mask, with copper oxides

Company Respilon, face mask, with copper oxides

Respilon company gives press conference on new Virus Killer antiviral face mask in Brno, Czech Republic, March 17, 2020. (CTK Photo/Vaclav Salek)

Protective Facemask ReSpimask

Protective Facemask ReSpimask

A model presents Protective Facemask ReSpimask at a press conference on effective nanotechnologic prevention against coronavirus infection in connection with current situation in China held by Czech Nanotechnology Industry Association and Respilon Group in Brno, Czech Republic, on Thursday, January 29, 2019. (CTK Photo/Vaclav Salek)

Jana Zimova, Protective Facemask ReSpimask

Jana Zimova, Protective Facemask ReSpimask

Respilon Group co-owner Jana Zimova presents Protective Facemask ReSpimask at a press conference on effective nanotechnologic prevention against coronavirus infection in connection with current situation in China held by Czech Nanotechnology Industry Association and Respilon Group in Brno, Czech Republic, on Thursday, January 29, 2019. (CTK Photo/Vaclav Salek)

Protective Facemask ReSpimask

Protective Facemask ReSpimask

A model presents Protective Facemask ReSpimask at a press conference on effective nanotechnologic prevention against coronavirus infection in connection with current situation in China held by Czech Nanotechnology Industry Association and Respilon Group in Brno, Czech Republic, on Thursday, January 29, 2019. (CTK Photo/Vaclav Salek)

Respilon filtration halfmask

Respilon filtration halfmask

Protective Respilon filtration halfmasks were presented at a press conference on effective nanotechnologic prevention against coronavirus infection in connection with current situation in China held by Czech Nanotechnology Industry Association and Respilon Group in Brno, Czech Republic, on Thursday, January 29, 2019. (CTK Photo/Vaclav Salek)

Protective Facemask ReSpimask

Protective Facemask ReSpimask

A model presents Protective Facemask ReSpimask at a press conference on effective nanotechnologic prevention against coronavirus infection in connection with current situation in China held by Czech Nanotechnology Industry Association and Respilon Group in Brno, Czech Republic, on Thursday, January 29, 2019. (CTK Photo/Vaclav Salek)

Pavel Malus

Pavel Malus

Pavel Malus of Czech Nanotechnology Industry Association attends a press conference on effective nanotechnologic prevention against coronavirus infection in connection with current situation in China held by Czech Nanotechnology Industry Association and Respilon Group in Brno, Czech Republic, on Thursday, January 29, 2019. (CTK Photo/Vaclav Salek)

Protective Facemask ReSpimask

Protective Facemask ReSpimask

Protective Facemasks ReSpimask were presented at a press conference on effective nanotechnologic prevention against coronavirus infection in connection with current situation in China held by Czech Nanotechnology Industry Association and Respilon Group in Brno, Czech Republic, on Thursday, January 29, 2019. (CTK Photo/Vaclav Salek)

Protective Facemask ReSpimask

Protective Facemask ReSpimask

Protective Facemasks ReSpimask were presented at a press conference on effective nanotechnologic prevention against coronavirus infection in connection with current situation in China held by Czech Nanotechnology Industry Association and Respilon Group in Brno, Czech Republic, on Thursday, January 29, 2019. (CTK Photo/Vaclav Salek)

Jana Zimova, Protective Facemask ReSpimask

Jana Zimova, Protective Facemask ReSpimask

Respilon Group co-owner Jana Zimova presents Protective Facemask ReSpimask at a press conference on effective nanotechnologic prevention against coronavirus infection in connection with current situation in China held by Czech Nanotechnology Industry Association and Respilon Group in Brno, Czech Republic, on Thursday, January 29, 2019. (CTK Photo/Vaclav Salek)

Roman Zima

Roman Zima

Respilon Group founder Roman Zima attends a press conference on effective nanotechnologic prevention against coronavirus infection in connection with current situation in China held by Czech Nanotechnology Industry Association and Respilon Group in Brno, Czech Republic, on Thursday, January 29, 2019. (CTK Photo/Vaclav Salek)