These signs may include a runny(流鼻涕的) nose, sneezing or a little sore throat. But you'd better take a break from exercising if your illness appears "below the neck". They include: a higher than normal body temperature, a sense of feeling extremely tired, and widespread muscle pain(...
Spread of H1N1 virus is thought to occur in the same way that seasonal flu does Viruses are transmitted mainly through droplets(小滴)from coughing or sneezing of an infected person. Keeping a safe distance is recommended. Studies have also shown that flu virus can survive on object surfaces ...