Influenza (flu) and COVID-19 are both contagious respiratory illnesses, but they are caused by different viruses. COVID-19 (coronavirus) and the flu have many similarities and differences. The only way to truly diagnose whether you have the flu or COVID-19 is through testing. But knowing the symptoms of each can help you determine what to do next. Below, we provide an …
The Advantages of the Virus Sample Swab Virus sampling swab: for the flu, swine flu, avian flu, hand, foot and mouth and other respiratory and intestinal virus nasal and throat sampling. product composition: ⑴ nylon flocking. Third, the product features: ① the use of international and convenient sterilization of the Zhisu packaging. ② γ-ray sterilization, to ensure that sterile. ③ …