A man speaks to a steward behind a fence surrounding Vysocina Arena after the Biathlon World Cup was closed for spectators due to coronavirus concerns, in Nove Mesto na Morave, Czech Republic, March 6, 2020. REUTERS/David W Cerny

A "no entry" sign, advising that the Biathlon World Cup is closed for spectators due to coronavirus concerns, is seen on a fence around Vysocina Arena in Nove Mesto na Morave, Czech Republic, March 6, 2020. REUTERS/David W Cerny

A "no entry" sign, advising that the Biathlon World Cup is closed for spectators due to coronavirus concerns, is seen on a fence around Vysocina Arena in Nove Mesto na Morave, Czech Republic, March 6, 2020. REUTERS/David W Cerny

A steward stands next to a fence surrounding Vysocina Arena after the Biathlon World Cup was closed for spectators due to coronavirus concerns, in Nove Mesto na Morave, Czech Republic, March 6, 2020. REUTERS/David W Cerny

Fans cheer behind a fence surrounding Vysocina Arena after the Biathlon World Cup was closed for spectators due to coronavirus concerns, in Nove Mesto na Morave, Czech Republic, March 6, 2020. REUTERS/David W Cerny

Fans cheer behind a fence surrounding Vysocina Arena after the Biathlon World Cup was closed for spectators due to coronavirus concerns, in Nove Mesto na Morave, Czech Republic, March 6, 2020. REUTERS/David W Cerny

Fans cheer behind a fence surrounding Vysocina Arena after the Biathlon World Cup was closed for spectators due to coronavirus concerns, in Nove Mesto na Morave, Czech Republic, March 6, 2020. REUTERS/David W Cerny

Fans cheer behind a fence surrounding Vysocina Arena after the Biathlon World Cup was closed for spectators due to coronavirus concerns, in Nove Mesto na Morave, Czech Republic, March 6, 2020. REUTERS/David W Cerny

Fans cheer behind a fence surrounding Vysocina Arena after the Biathlon World Cup was closed for spectators due to coronavirus concerns, in Nove Mesto na Morave, Czech Republic, March 6, 2020. REUTERS/David W Cerny

Fans cheer behind a fence surrounding Vysocina Arena after the Biathlon World Cup was closed for spectators due to coronavirus concerns, in Nove Mesto na Morave, Czech Republic, March 6, 2020. REUTERS/David W Cerny

Fans cheer behind a fence surrounding Vysocina Arena after the Biathlon World Cup was closed for spectators due to coronavirus concerns, in Nove Mesto na Morave, Czech Republic, March 6, 2020. REUTERS/David W Cerny

Biathlon - 2020 Biathlon World Championships - Women 12.5 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 France's Quentin Fillon Maillet poses with three medals during the medal ceremony REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Women 12.5 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Gold Medallist Norway's Johannes Thingnes Boe (C) poses on the podium during the medal ceremony alongside silver medallist France's Quentin Fillon Maillet (L) and bronze medallist France's Emilien Jacquelin (R) REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Women 12.5 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 France's Quentin Fillon Maillet and Emilien Jacquelin pose with their medals on the podium REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Women 12.5 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Norway's Johannes Thingnes Boe celebrates with France's Quentin Fillon Maillet REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Women 12.5 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Gold Medallist Norway's Johannes Thingnes Boe (C) poses on the podium during the medal ceremony alongside silver medallist France's Quentin Fillon Maillet (L) and bronze medallist France's Emilien Jacquelin (R) REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Women 12.5 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Gold Medallist Norway's Johannes Thingnes Boe (C) poses on the podium during the medal ceremony alongside silver medallist France's Quentin Fillon Maillet (L) and bronze medallist France's Emilien Jacquelin (R) REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Women 12.5 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Gold Medallist Norway's Johannes Thingnes Boe poses on the podium during the medal ceremony alongside silver medallist France's Quentin Fillon Maillet REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Women 12.5 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Gold Medallist Norway's Johannes Thingnes Boe (C) poses on the podium during the medal ceremony alongside silver medallist France's Quentin Fillon Maillet (L) and bronze medallist France's Emilien Jacquelin (R) REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Men 15 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Gold medallist Norways's Johannes Thingnes Boe poses with six medals during the medal ceremony REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Men 15 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Gold medallist Norways's Johannes Thingnes Boe poses with six medals during the medal ceremony REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Men 15 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Norways's Johannes Thingnes Boe celebrates winning his race REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Men 15 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Gold medallist Norways's Johannes Thingnes Boe poses during the medal ceremony REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Men 15 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Gold medallist Norways's Johannes Thingnes Boe poses during the medal ceremony REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Men 15 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 France's Quentin Fillon Maillet celebrates as he crosses the line to finish third REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Men 15 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Gold medallist Norways's Johannes Thingnes Boe poses during the medal ceremony REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Men 15 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Gold medallist Norways's Johannes Thingnes Boe during the medal ceremony REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Men 15 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Norways's Johannes Thingnes Boe celebrates on the podium after winning the race REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Men 15 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Norways's Johannes Thingnes Boe celebrates winning his race REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Men 15 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Norways's Johannes Thingnes Boe celebrates winning his race REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Men 15 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Norways's Johannes Thingnes Boe celebrates winning his race REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Men 15 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Norways's Johannes Thingnes Boe celebrates winning his race REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Men 15 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 France's Quentin Fillon Maillet celebrates as he crosses the line to finish third REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Men 15 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 France's Quentin Fillon Maillet celebrates as he crosses the line to finish third REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Men 15 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 France's Quentin Fillon Maillet in action REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Men 15 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Norway's Tarjei Boe in action REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Men 15 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 General View during the race REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Men 15 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 General View during the race REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Men 15 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Norway's Johannes Dale, Johannes Thingnes Boe and Tarjei Boe in action with Germany's Benedikt Doll REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Men 15 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Norway's Johannes Thingnes BOE and Johannes Dale in action REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Men 15 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 France's Emilien Jacquelin in action REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Men 15 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Norway's Tarjei Boe during the warm up before the race REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Men 15 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 France's Martin Fourcade during the warm up before the race REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Men 15 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 France's Martin Fourcade during the warm up before the race REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Men 15 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Austria's Dominik Landertinger during the warm up before the race REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Men 15 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 France's Emilien Jacquelin during the warm up before the race REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Men 15 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 France's Martin Fourcade before the race REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Women 12.5 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Gold medallist Norway's Marte Olsbu Roeiseland poses with seven medals during the medal ceremony REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Women 12.5 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Gold medallist Norway's Marte Olsbu Roeiseland poses with seven medals during the medal ceremony REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Women 12.5 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 General view of seven medals held by gold medallist Norway's Marte Olsbu Roeiseland as she poses during the medal ceremony REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Women 12.5 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Silver medallist Italy's Dorothea Wierer poses with four medals during the medal ceremony REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Women 12.5 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Silver medallist Italy's Dorothea Wierer poses with four medals during the medal ceremony REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Women 12.5 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Silver medallist Italy's Dorothea Wierer poses with four medals during the medal ceremony REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Women 12.5 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Gold Medallist Norway's Marte Olsbu Roeiseland (C) poses on the podium during the medal ceremony alongside silver medallist Italy's Dorothea Wierer (L) and bronze medallist Sweden's Hanna Oberg (R) REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Women 12.5 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Silver medallist Italy's Dorothea Wierer poses during the medal ceremony REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Women 12.5 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Gold Medallist Norway's Marte Olsbu Roeiseland (C) celebrates on the podium during the medal ceremony alongside silver medallist Italy's Dorothea Wierer (L) and bronze medallist Sweden's Hanna Oberg (R) REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Women 12.5 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Bronze medallist Sweden's Hanna Oberg celebrates on the podium during the medal ceremony REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Women 12.5 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Bronze medallist Sweden's Hanna Oberg poses during the medal ceremony REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Women 12.5 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Silver medallist Italy's Dorothea Wierer poses during the medal ceremony REUTERS/Leonhard Foeger

Biathlon - 2020 Biathlon World Championships - Women 12.5 km Mass Start - Antholz-Anterselva, Italy - February 23, 2020 Silver medallist Italy's Dorothea Wierer celebrates on the podium during the medal ceremony REUTERS/Leonhard Foeger