Detainees wear hairnets as they wait for carts of food trays to deliver during a media tour at Northwest ICE Processing Center, one of 31 dedicated ICE facilities that house immigration detainees, in Tacoma, Washington, U.S. December 16, 2019. REUTERS/Lindsey Wasson 

French Economy Minister Emmanuel Macron wears protective hairnet as he visits Te-Createurs, a delicatessen company in Montreuil, near Paris, France, January 11, 2016. REUTERS/Charles Platiau

French Economy Minister Emmanuel Macron wears protective hairnet as he visits Te-Createurs, a delicatessen company in Montreuil, near Paris, France, January 11, 2016. REUTERS/Charles Platiau

French Economy Minister Emmanuel Macron wears protective hairnet as he visits Te-Createurs, a delicatessen company in Montreuil, near Paris, France, January 11, 2016. REUTERS/Charles Platiau

French Economy Minister Emmanuel Macron wears protective hairnet as he visits Te-Createurs, a delicatessen company in Montreuil, near Paris, France, January 11, 2016. REUTERS/Charles Platiau

French Economy Minister Emmanuel Macron wears protective hairnet as he visits Te-Createurs, a delicatessen company in Montreuil, near Paris, France, January 11, 2016. REUTERS/Charles Platiau

Volunteers pack food parcels as part of the Million Meal Challenge, in Sandton July 17, 2015. Organisers said that The Million Meal Challenge, an initiative of international NGO Stop Hunger Now, saw thousands of volunteers in three cities attempt to package one million meals in a single day, ahead of Nelson Mandela International Day which is marked on July 18 every year. The meals, which have a shelf life of over a year, will be distributed to Early Childhood Development centres and schools affected by extreme poverty. REUTERS/Siphiwe Sibeko 

A model poses with a hairnet on backstage before the Lacoste Fall/Winter 2015 collection presentation during New York Fashion Week February 14, 2015. REUTERS/Andrew Kelly (UNITED STATES - Tags: FASHION SOCIETY) 

Workers make jian bing, a Chinese snack similar to pancakes, at a workshop in Xinzhuang village, Loude county, Shandong province October 12, 2010. More than 400 workshops and nearly 1300 local residents in the village produce some nine million kilograms of jian bing annually, according to local authorities. Picture taken October 12, 2010. REUTERS/Stringer (CHINA - Tags: FOOD SOCIETY) 

Workers make jian bing, a Chinese snack similar to a pancake, at a workshop in Xinzhuang village of Loude county, Shandong province October 12, 2010. More than 400 workshops and nearly 1,300 local residents in this village produce some nine million kilograms of jian bing annually, according to local authorities. Picture taken October 12, 2010. REUTERS/Stringer (CHINA - Tags: FOOD SOCIETY) 

A nurse carries a newborn baby at a hospital in Hanoi August 13, 2009. Vietnam's population has now reached 86.5 million, up 1.5 percent from 2007, making its the 13th most populous nation in the world. The Communist-ruled country has restricted families of state employees to two children, and threatens violators with punishments that range from fines to suspension from the political party.
REUTERS/Kham (VIETNAM HEALTH SOCIETY) 

Models gather near the runway for instructions before the presentation of the Malandrino Fall 2009 collection during New York Fashion Week, February 19, 2009. REUTERS/Mike Segar (UNITED STATES) 

A competitor (R) in Miss World Hungary waits for the start of the finals of the beauty contest in Budapest September 26, 2007. REUTERS/Laszlo Balogh (HUNGARY) 

French Prime Minister Jean-Pierre Raffarin wears a protective hairnet and mask as he holds a pizza during a visit to a frozen food plant in Mirebeau, November 22, 2002. Raffarin visits the Marie Surgeles frozen food plant which marks its 30 years of activity. 

French Prime Minister Jean-Pierre Raffarin wears a protective hairnet and mask as he listens to a guided tour during a visit at a frozen food plant in Mirebeau, November 22, 2002. Raffarin visits the Marie Surgeles frozen food plant which marks its 30 years of activity. 

French Prime Minister Jean-Pierre Raffarin wears a protective hairnet and mask as he smells a pizza during a visit to a frozen food plant in Mirebeau, November 22, 2002. Raffarin visits the Marie Surgeles frozen food plant which marks its 30 years of activity. 

French Prime Minister Jean-Pierre Raffarin wears a protective hairnet and mask as he smells a pizza during a visit to a frozen food plant in Mirebeau, November 22, 2002. Raffarin visits the Marie Surgeles frozen food plant which marks its 30 years of activity. 

French Prime Minister Jean-Pierre Raffarin wears a protective hairnet and mask as he visits a quiche production line at a frozen food plant in Mirebeau, November 22, 2002. Raffarin visits the Marie Surgeles frozen food plant which marks its 30 years of activity. 

French Prime Minister Jean-Pierre Raffarin (C) wears a protective
hairnet and mask as he walks with employees during a visit to a frozen
food plant in Mirebeau, November 22, 2002. Raffarin visits the Marie
Surgeles frozen food plant which marks its 30 years of activity.
REUTERS/Regis Duvignau

RD/JES 

French Prime Minister Jean-Pierre Raffarin wears a protective hairnet
and mask as he holds a pizza during a visit to a frozen food plant in
Mirebeau, November 22, 2002. Raffarin visits the Marie Surgeles frozen
food plant which marks its 30 years of activity. REUTERS/Regis
Duvignau

RD/JES 

French Prime Minister Jean-Pierre Raffarin wears a protective hairnet
and mask during as he visits a frozen food plant in Mirebeau, November
22, 2002. Raffarin visits the Marie Surgeles frozen food plant which
marks its 30 years of activity. REUTERS/Regis Duvignau

RD/JES 

French Prime Minister Jean-Pierre Raffarin wears a protective hairnet
and mask as he smells a pizza during a visit to a frozen food plant in
Mirebeau, November 22, 2002. Raffarin visits the Marie Surgeles frozen
food plant which marks its 30 years of activity. REUTERS/Regis
Duvignau

RD/JES/AA 

French Prime Minister Jean-Pierre Raffarin wears a protective hairnet
and mask as he listens to a guided tour during a visit at a frozen food
plant in Mirebeau, November 22, 2002. Raffarin visits the Marie
Surgeles frozen food plant which marks its 30 years of activity.
REUTERS/Regis Duvignau

RD/JES 

French Prime Minister Jean-Pierre Raffarin wears a protective hairnet
and mask as he visits a quiche production line at a frozen food plant
in Mirebeau, November 22, 2002. Raffarin visits the Marie Surgeles
frozen food plant which marks its 30 years of activity. REUTERS/Regis
Duvignau

RD/JES 

Canada's 100 metre runner Martha Adusei runs with coloured red nails and a hairnet during a training session at the athletics training track in Kuala Lumpur September 11. The opening ceremony for the 16th Commonwealth Games will be held this evening, with more than 4,000 athletes taking part in the biggest games since their start in 1930.

DG/TAN/SB