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The Chinese Embassy in the U.S. released the "Explanation of Testing Requirements for People Traveling to China by Air after the non-inactivated vaccination" on the 16th, allowing those who have had the vaccination in the U.S. to travel to China.
The instructions state that those who have taken non-inactivated vaccines from Pfizer, Moderna or Johnson & Johnson must arrange their travel to China after completing all doses of vaccination.
In order to distinguish whether the positive result is due to vaccination or infection, those who have completed inactivated vaccination and have a positive IgM antibody test result must provide an IgM antibody test report for the N protein when applying for a health code. Thus, it can be seen that N protein testing may become a trend.
The new crown antigen N protein introduced by HeavyBio company, with high activity and good stability, has now been widely recognized by many customers.
