New crown pneumonia epidemic prevention and control knowledge lecture ppt template

Introduction: Elegant, fresh and green background, cartoon-style doctor wearing protective clothing with cheering gestures, city silhouette, green grass, resolutely winning the epidemic prevention and control sniper war, creative font design cover, cheering fist, doctor team with pictures, translucent circle design catalog page , Transition page, elegant green small fresh style color matching, simple and flat chart, suitable for the new crown pneumonia theme ppt template for scene applications such as coronavirus disease science knowledge lectures and epidemic prevention and control knowledge lectures.