The cases include 20 deaths , and Seventy infection cases . 20 patients are hospitalized with the virus . The new strain was n't known until every day . CNN 's Miriam Falco and Hilary Whiteman contributed to this report . International experts in H7N9 to monitor the China strain .
The cases include 20 deaths , and Seventy infection cases . 20 patients are hospitalized with the virus . The new strain was n't known until every day . International experts in H7N9 to monitor the China strain .