A staff member conducts disinfection operation in a street in the city centre of Neuilly-Plaisance, France, March 30, 2020. French Prime Minister Edouard Philippe on Saturday said the combat to contain rapid-circulating coronavirus epidemic "has only just begun" as the government was stepping up "long-term intense effort." (Photo by Aurelien Morissard/Xinhua)

Staff conduct disinfection operation in a street in the city centre of Neuilly-Plaisance, France, March 30, 2020. French Prime Minister Edouard Philippe on Saturday said the combat to contain rapid-circulating coronavirus epidemic "has only just begun" as the government was stepping up "long-term intense effort." (Photo by Aurelien Morissard/Xinhua)

A staff member conducts disinfection operation in a street in the city centre of Neuilly-Plaisance, France, March 30, 2020. French Prime Minister Edouard Philippe on Saturday said the combat to contain rapid-circulating coronavirus epidemic "has only just begun" as the government was stepping up "long-term intense effort." (Photo by Aurelien Morissard/Xinhua)

Staff conduct disinfection operation in a street in the city centre of Neuilly-Plaisance, France, March 30, 2020. French Prime Minister Edouard Philippe on Saturday said the combat to contain rapid-circulating coronavirus epidemic "has only just begun" as the government was stepping up "long-term intense effort." (Photo by Aurelien Morissard/Xinhua)

Staff conduct disinfection operation in a street in the city centre of Neuilly-Plaisance, France, March 30, 2020. French Prime Minister Edouard Philippe on Saturday said the combat to contain rapid-circulating coronavirus epidemic "has only just begun" as the government was stepping up "long-term intense effort." (Photo by Aurelien Morissard/Xinhua)