流感高峰期: How Masks Help Prevent Flu
流感高峰期 could be the time of year when virus cases increase very fast and many individuals get ill at the exact same time. During this time, viruses distribute easily through coughing, sneezing, and shut contact, particularly in schools, practices, and community places. Knowledge what 流感高峰期 means may allow you to defend your self and your household before signs become serious.
流感高峰期 can...