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Zika fever, also known as Zika virus disease or simply Zika, is an infectious disease caused by the Zika virus. [ 1 ] Most cases have no symptoms, but when present they are usually mild and can resemble dengue fever. [ 1 ][ 4 ] Symptoms may include fever, red eyes, joint pain, headache, and a maculopapular rash. [ 1 ][ 2 ][ 3 ] Symptoms ...
Fever – usually lasting 14 days; [20] often mild. [16] Sore throat – usually severe for 3–5 days, before resolving in the next 7–10 days. [21] Swollen glands – mobile; usually located around the back of the neck (posterior cervical lymph nodes) and sometimes throughout the body. [9] [16] [22] Another major symptom is feeling tired. [2]
Such infection is called subclinical infection. Incubation period (also known as the latent period or latency period) is the time elapsed between exposure to a pathogenic organism, a chemical, or radiation, and when symptoms and signs are first apparent. [ 1 ] In a typical infectious disease, the incubation period signifies the period taken by ...
17,865 cases (2022) [ 5 ] Rubella, also known as German measles or three-day measles, [ 6 ] is an infection caused by the rubella virus. [ 3 ] This disease is often mild, with half of people not realizing that they are infected. [ 1 ][ 7 ] A rash may start around two weeks after exposure and last for three days. [ 1 ]
Cat-scratch disease commonly presents as tender, swollen lymph nodes near the site of the inoculating bite or scratch or on the neck, and is usually limited to one side. This condition is referred to as regional lymphadenopathy and occurs 1–3 weeks after inoculation. [5] Lymphadenopathy most commonly occurs in the axilla, [6] arms, neck, or ...
Adenovirus infection is a contagious viral disease, caused by adenoviruses, commonly resulting in a respiratory tract infection. [ 1 ][ 10 ] Typical symptoms range from those of a common cold, such as nasal congestion, coryza and cough, to difficulty breathing as in pneumonia. [ 10 ] Other general symptoms include fever, fatigue, muscle aches ...
Maculopapular rash on the abdomen after 3 days of measles infection. Symptoms typically begin 10–14 days after exposure. [28] [29] The classic symptoms include a four-day fever (the four Ds) and the three Cs—cough, coryza (head cold, fever, sneezing), and conjunctivitis (red eyes)—along with a maculopapular rash. [30]
In people requiring hospital admission, up to 98% of CT scans performed show lung abnormalities after 28 days of illness even if they had clinically improved. [83] People with advanced age, severe disease, prolonged ICU stays, or who smoke are more likely to have long-lasting effects, including pulmonary fibrosis. [ 84 ]