Thanking COVID-19 frontline workers

A man passes a sign on a boarded up business thanking those still working amid the coronavirus disease (COVID-19) outbreak in Seattle, Washington, U.S.

Medical staff from Fundacion Jimenez Diaz hospital hold a banner reading "Thank you all" as neighbours applaud from their balconies in support for healthcare workers, amid the coronavirus disease (COVID-19) outbreak, in Madrid, Spain.

First responders outside of hard-hit Brooklyn Hospital Center take a bow as dozens of people in and around the New York City borough of Brooklyn's Fort Greene Park cheer and applaud them in a spontaneous social media-encouraged #ClapBecauseWeCare moment of appreciation for ambulance workers, doctors, nurses and other healthcare workers around the city during coronavirus disease (COVID-19) outbreak, New York, U.S.

NHS workers applaud on the streets outside Royal Liverpool University Hospital during the Clap for our Carers campaign in support of the NHS as the spread of the coronavirus disease (COVID-19) continues, Liverpool, Britain.

Workers and a resident wave at passing cars honking their horns in support for Pinecrest Nursing Home after several residents died and dozens of staff were sickened by coronavirus disease (COVID-19) in Bobcaygeon, Ontario, Canada.

Health workers from Clinic hospital applaud citizens who show them gratitude from their balconies and windows, during the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain.

Health workers from Clinic hospital applaud citizens who show them gratitude from their balconies and windows, during the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain.

Health workers from Clinic hospital applaud citizens who show them gratitude from their balconies and windows, during the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain.

Members of the cleaning personnel applaud in honour of the cleaning staff at the Gregorio Maranon hospital, during the coronavirus disease (COVID-19) outbreak, in Madrid, Spain.

A health worker from Clinic hospital takes a picture of his mates as police officers and citizens show them gratitude from their balconies and windows, during the coronavirus disease (COVID-19) outbreak, in Barcelona, Spain.

The sign on the door of the Ramon Berenguer nursing home in Santa Coloma de Gramenet reads: "Here there are Heroes", during the coronavirus disease (COVID-19) outbreak, outside Barcelona, Spain.

A girl writes a message in support of key workers, as the spread of the coronavirus disease (COVID-19) continues, High Wycombe, Britain.

NHS workers applaud on the streets outside Royal Liverpool University Hospital during the Clap for our Carers campaign in support of the NHS as the spread of the coronavirus disease (COVID-19) continues, Liverpool, Britain.

People walk past a banner reading "Thank you key workers", as the spread of the coronavirus disease (COVID-19) continues, Manchester, Britain.

NHS workers applaud on the streets outside Chelsea and Westminster Hospital during the Clap for our Carers campaign in support of the NHS as the spread of the coronavirus disease (COVID-19) continues, London, Britain.

Members of the Ladder 22 and Engine 76 fire crews of the New York Fire Department clap for health and medical workers from the Mount Sinai Morningside hospital at 7:00PM, during the coronavirus disease (COVID-19) outbreak in Manhattan, New York City, U.S.

Firefighters are seen applauding at Cadogan Fire Station during the Clap for our Carers campaign in support of the NHS as the spread of the coronavirus disease (COVID-19) continues, Belfast, Britain.

Members of the Ladder 22 and Engine 76 fire crews of the New York Fire Department clap for health and medical workers from the Mount Sinai Morningside hospital at 7:00PM, during the coronavirus disease (COVID-19) outbreak in Manhattan, New York City, U.S.

Scott LoBaido, 55, from Staten Island posts a large "Thank You" note dedicated to the health workers of the nearby Elmhurst Hospital Center who are treating and testing people for the coronavirus disease (COVID-19) in Queens, New York City, U.S.

People clap from their windows and roof during a social media campaign called "Clap For A Cause" to show solidarity for the bravery of all the doctors, nurses and policemen during the eighth day of the lockdown imposed by the government amid concerns about the spread of coronavirus disease (COVID-19) outbreak, in Kathmandu, Nepal.