1.During the five days from May 17 to May 2 1 day, the largest number of new cases of influenza A (H 1N 1) in Japan was No.21,and 267 people were added that day. 2. From May 17 to May 265438+. On average, there are 49 new confirmed cases of influenza A (H 1N 1) in Japan every day. If this average number continues to increase in the next five days, the cumulative confirmed cases of Japanese influenza A (H 1N 1) will reach 1489 by May 26th. 3. Influenza A virus H 1N 1 is highly contagious. 1 person in a certain place suffered from influenza A and was not treated in time. Two days after infection, * * * 9 people suffer from influenza A H 1N 1, and an average person infects 5 people every day. According to this infection rate, 26 people will suffer from influenza A (H 1N 1) five days after infection.