Search results
Results from the WOW.Com Content Network
If the immune system "remembers" what the other epitopes look like, the antigen, and the organism, will still be recognized and subjected to the body's immune response. Thus, the polyclonal response widens the range of pathogens that can be recognized. [24]
Signs and symptoms include a runny or stuffy nose, sneezing, red, itchy, and watery eyes, and swelling around the eyes. [1] The fluid from the nose is usually clear. [ 2 ] Symptom onset is often within minutes following allergen exposure, and can affect sleep and the ability to work or study.
Figure 1. Early Symptoms of HIV. The stages of HIV infection are acute infection (also known as primary infection), latency, and AIDS. Acute infection lasts for several weeks and may include symptoms such as fever, swollen lymph nodes, inflammation of the throat, rash, muscle pain, malaise, and mouth and esophageal sores. The latency stage ...
The winter surge of respiratory viruses is here. Dr. Leana Wen answers questions about the length of viral respiratory illnesses and how to facilitate your recovery.
Because steroids only shrink the size and swelling of the polyp, people often have recurrence of symptoms once the steroids are stopped. [12] Decongestants do not shrink the polyps, but can decrease swelling and provide some relief. [7] Antibiotics are only recommended if the person has a co-occurring bacterial infection. [6]
When the weather starts to cool, a common question often arises: "Am I sick, or is it just allergies?" Here's what the experts say.
HIV testing should be repeated four to six weeks and three months after exposure. [17] People may experience signs and symptoms of acute HIV infection, including fever, fatigue, myalgia, and skin rash, while taking PEP. CDC recommends seeking medical attention for evaluation if these signs and symptoms occur during or after the month of PEP.
Antigen tests look for antigen proteins from the viral surface. In the case of a coronavirus, these are usually proteins from the surface spikes. [56] SARS-CoV-2 antigens can be detected before onset of COVID-19 symptoms (as soon as SARS-CoV-2 virus particles) with more rapid test results, but with less sensitivity than PCR tests for the virus ...