Valeria Castellano's 11-year-old little brother Javier Castellano draws a painting with words of encouragement to China in San Salvador, El Salvador, Feb. 7, 2020. Valeria Castellano said she heard about the novel coronavirus pneumonia epidemic in China through the news and believed that China would be able to ride out the current difficulties as before. The painting expressed their support and encouragement to China. (Photo by Alexander Pena/Xinhua)

Valeria Castellano, 13, together with her 11-year-old little brother Javier Castellano, shows a painting with words of encouragement to China in San Salvador, El Salvador, Feb. 7, 2020. Valeria Castellano said she heard about the novel coronavirus pneumonia epidemic in China through the news and believed that China would be able to ride out the current difficulties as before. The painting expressed their support and encouragement to China. (Photo by Alexander Pena/Xinhua)

Photo taken on Feb. 7, 2020 shows a painting with words of encouragement to China painted by 13-year-old Valeria Castellano and her 11-year-old little brother Javier Castellano, in San Salvador, El Salvador. Valeria Castellano said she heard about the novel coronavirus pneumonia epidemic in China through the news and believed that China would be able to ride out the current difficulties as before. The painting expressed their support and encouragement to China. (Photo by Alexander Pena/Xinhua)

Photo taken on Feb. 7, 2020 shows a painting with words of encouragement to China painted by 13-year-old Valeria Castellano and her 11-year-old little brother Javier Castellano, in San Salvador, El Salvador. Valeria Castellano said she heard about the novel coronavirus pneumonia epidemic in China through the news and believed that China would be able to ride out the current difficulties as before. The painting expressed their support and encouragement to China. (Photo by Alexander Pena/Xinhua)