“If you have already been positive and are testing to see if you are recovering or recovered, then as soon as you become negative, it is appropriate to assume you are no longer infectious," he explains. When a positive rapid antigen test goes from a dark line to a very faint line, t...
Chinese citizens for traveling abroad have been resumed, medical institutions no longer triage patients based on the results of their nucleic acid tests, testing and centralized quarantine targeting inbound travelers have been dropped, and imported cold chain foods are not sampled for testing anymore....
KATELYN JETELINA: Right. So COVID-19 at-homeantigentests(抗原检测)are still a really great tool. They're very good at telling you when you're very infectious. What I think antigen tests are the best at are telling ...
“Li Lanjuan claims that it is not correct that the Corona Virus exists for 20 years in minus 20 °C,”“Li Lanjuan leaving Wuhan while warning of two great dangers,” and the WeChat articles entitled “When can Wuhan be unsealed? Academician Li Lanjuan said like this,”“Li Lan...
The CDC no longer advises a five-day isolation period when you test positive for COVID, but recommends taking other precautions once your symptoms subside.
The more time you spend on social media, the likelier you are to have come across a viral post that seems too strange to be true. Brief scientific literacy interventions, especially those that focus on critical thinking skills, ...
Two additional questions were asked for each symptom: “Has this symptom been present in the past 4 weeks?” Participants answered “Yes, but not present anymore,”“Yes, and still present,” or “No”; “How much time did this symptom last? Or how long has it been since you have had...
When addressing the issue of excess mortality, a central methodological challenge involves estimating the baseline mortality level, which represents what would have been expected in the absence of the pandemic. Often, pre-pandemic mortality levels are used as the baseline due to their ease of acquisi...
It is also assumed that there are no COVID-19 deaths among infectious individuals in \({I}_{3}^{s}\) due to the increased protection offered by booster doses. For the economic model, the dynamics of YCQ has the same form as Eq. (2), where \(\bar{S}\left(t\right)=S\left(t...
“But what we’re seeing with long COVID is that even when the virus has completely left the body, the immune system remains switched on. If you measure the same thing after a standard cough or cold, which we did in this study through one of our control groups, this signal is not th...