Report on the latest epidemic situation in Heilongjiang ProvinceFrom 0:00 to 24:00 on May 17, 2022, there was no new local COVID-19 information report in Heilongjiang Province; A new case of asymptomatic infection was imported from abroad (Harbin report, imported from Japan).

British media commented on the tragedy of the US epidemic: "not only the failure of the medical system, but also the failure of ideology" The website of the British Guardian published a report entitled "the failure of American ideology.

Apa itu rapid test antigen: 14.9 million excess deaths associated with the COVID-19 pandemic in 2020 and 2021 New estimates from the World Health Organization (WHO) show that the full death toll associated directly or indirectly with the COVID-19 pandemic.

The culture of normal human pharyngeal isthmus should have normal oral flora without pathogenic bacteria. The bacteria in the pharynx come from the outside and are not pathogenic under normal circumstances, but they can cause diseases due to the decline of systemic or local resistance and other external factors.