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22 hours ago · T cell responses against SARS-CoV-2 WT and Omicron variant were evaluated in 101 patients by ELISpot at 3 months postinfection. The results showed that Omicron-infected symptoms were mild, while fatigue (30.2%), shortness of breath (34.0%) and persistent cough (23.6%) were long-lasting, and vaccines showed efficacy against fever in lung cancer ...
2 days ago · According to a recent study, the seroprevalence of SARS-CoV-2 IgM and IgG in COVID-19 patients was over 70% less than 7 days after symptom onset 16,17. In this study, we specifically examined the ...
22 hours ago · One of the distinguishing features of long-term COVID-19 is an evolving set of symptoms. Active COVID-19 infections can feature 20 symptoms or more during the infection, and symptoms may change or come and go throughout the recovery period. One study found that post-acute COVID symptoms ranged anywhere from two weeks to 100 days.
1 day ago · Coronavirus disease 2019 (COVID-19), caused by severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2), was declared a pandemic by the World Health Organization on March 11, 2020. There have been more than 660 million cases of this viral disease worldwide to date, with a fatality rate of approximately 1%.
22 hours ago · In December 2019, severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) and the disease caused by the infection, named COVID-19, were originally identified in Wuhan, China, as a novel virus that produced a cluster of atypical pneumonia cases . The outbreak soon became a global pandemic, resulting in a global public health emergency
4 days ago · Herd immunity is the name for a point in time when it's hard for a disease to spread through a group of people. The idea of herd immunity works for some diseases, such as measles. But it's a harder concept to apply to illnesses like coronavirus disease 2019 (COVID-19). Read on to learn how herd immunity makes sense for some diseases but not others.
22 hours ago · The emergence of new SARS-CoV-2 variants can affect vaccine efficacy, laboratory diagnosis and the therapies already available, triggering interest in the search for antiviral agents for SARS-CoV-2 infections. Ribavirin (RBV) is a broad-spectrum antiviral with demonstrated in vitro activity against multiple viruses, including SARS-CoV-2. This retrospective study evaluated the dynamics and ...
