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Lassa fever, also known as Lassa hemorrhagic fever, is a type of viral hemorrhagic fever caused by the Lassa virus. [1] Many of those infected by the virus do not develop symptoms . [ 1 ] When symptoms occur they typically include fever , weakness, headaches, vomiting , and muscle pains . [ 1 ]
Someone with milder symptoms may develop a slight fever, feel tired or have a headache. Most people who are infected with Lassa virus have no symptoms at all. Lassa fever can spread between humans ...
Lassa fever symptoms typically appear one to three weeks after a person is initially infected, according to the CDC. MORE: Colorado public health officials confirm human plague case in the state
If the gums are also involved, symptoms of necrotizing ulcerative gingivitis, such as painful gums may also be present. The tonsils show single or multiple greyish-white ulcers, usually on only one of the palatine tonsils. The ulcers appear surrounded by reddened area and they bleed when touched or when the pseudo membrane is removed. [7]
Between 100,000 to 300,000 cases of Lassa fever are diagnosed per annum. Roughly 5,000 deaths related to the virus occur every year. Approximately, 80 percent of people that contract the illness ...
It can result in a thick exudate of mucus and white blood cells caused by the swelling of the mucous membranes in the head in response to an infection. It is a symptom usually associated with the common cold, pharyngitis, and chesty coughs, but it can also be found in patients with adenoiditis, otitis media, sinusitis or tonsillitis.
[9] [10] Common symptoms include fever, sore throat, red tonsils, and enlarged lymph nodes in the front of the neck. A headache and nausea or vomiting may also occur. [11] Some develop a sandpaper-like rash which is known as scarlet fever. [2] Symptoms typically begin one to three days after exposure and last seven to ten days. [2] [3] [11]
One patient in Bedfordshire has died from a confirmed case of the Ebola-like virus Lassa fever, the UK Health Security Agency said.