Since the beginning of this year, the number of reported cases of hand, foot and mouth disease in children has increased by an average of 20% compared to the same period last year. Therefore, some WHO are concerned that the outbreak of children with hand, foot and mouth disease has a trend of outbreaks across the country. If the following options are true, they will help alleviate the WHO's concerns, except? ['Kindergarten is the main place for children to hand, foot and mouth disease, and this year the number of new kindergarten children increased by 50% compared with the previous year.', "As people's understanding of children's hand-foot-mouth disease deepens, parents take their children to the hospital more frequently, increasing the record of minor illness.", "Since this year, the registration and screening of children's hand, foot and mouth disease have been standardized throughout the country, and many cases that have not received attention in the past have been valued.", "The symptoms of children's hand, foot and mouth disease this year are more variable than last year, and many doctors cannot confirm the diagnosis at the initial diagnosis."]