2023年1月6日 · XBB.1.5 is derived from the omicron variant BA.2, and while the current bivalent vaccine was developed for the BA.5 variant, it has been shown to generate antibodies that recognize BA.2. If you got a bivalent booster when it was first available, should you be considering another booster now?

2023年2月4日 · Experts say XBB.1.5 is the most contagious SARS-CoV-2 variant currently in circulation. Here are common breakthrough symptoms to watch for.

2023年8月17日 · Omicron Symptoms. Early studies found that cold-like symptoms were common in those with Omicron. They reported that the top five symptoms related to the variant were: Runny nose; Cough;...

2023年1月4日 · The highly infectious omicron XBB.1.5 subvariant accounts for over 70% of cases in some parts of the United States. Here's we know about symptoms and severity so far.

2023年2月2日 · What are the symptoms of XBB.1.5? Symptoms with XBB.1.5 appear to be similar to the earlier Omicron subvariants. Those can range from typical cold symptoms such as cough and congestion to shortness of breath and low oxygen levels that require emergency medical attention.

2023年1月3日 · The COVID omicron XBB.1.5 variant is rapidly becoming dominant in the U.S. because it is highly immune evasive and appears more effective at binding to cells than related...

2023年2月10日 · A SARS-CoV-2 strain called XBB.1.5 (nicknamed “Kraken”), a descendent of the Omicron variant, has been described as the most transmissible strain of the virus so far. Yale Medicine doctors tell you what you need to know.

2023年1月17日 · What are the symptoms of the XBB.1.5 variant? Are they different? With current available data, the symptoms are similar to the prior strains with no evidence of more severe infection. Recent mutations of COVID-19 have led to less severe disease. This is because the virus must give up something, in this case its ability to do harm, to survive.

2023年1月27日 · The new Omicron subvariant, XBB.1.5, has been spreading quickly in the United States. But a new study released by the Centers for Disease Control and Prevention (CDC) on January 25 shows that the COVID-19 bivalent booster reduces the risk of symptomatic infection from XBB.1.5 by about 40% to 50%.

2023年1月10日 · Symptoms of XBB.1.5 are thought to be similar to those of previous Omicron strains. Most people experience cold-like symptoms. Is XBB.1.5 more infectious or dangerous? XBB.1.5 evolved...