The heavy rains recorded every year in several regions of Brazil, during the summer, increase the risk of viral diseases, such as dengue, chikungunya and zika, all caused by the Aedes Aegypti mosquito. In addition to it, the influenza and Covid-19 viruses worry the Brazilian population.
The symptoms of infections by the three viruses are similar, especially at the beginning of the disease, and can confuse people who have body pain, malaise and fever. Infectologist Ana Helena Germoglio guides how to identify, prevent and treat diseases:
Prevention
Dengue
Prevention is done with the control of the proliferation of mosquitoes and hygiene of the environments, avoiding the accumulation of stagnant water, where the mosquitoes that cause the disease accumulate. “There is a vaccine for dengue, but its use is restricted in relation to the patient’s age and health conditions”, explains Germoglio.
Covid-19
Hygiene habits such as washing hands, wearing masks and social distancing can prevent illness. Vaccination prevents complications caused by Covid.
Influenza
“Social distancing, use of a mask and vaccine, which should arrive in Brazil in March,” he says.
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Symptoms
Dengue
After the classic symptoms of fever, malaise and body pain, red lesions appear on the body. “To be sure of the diagnosis, laboratory tests are needed to know what the disease is”, highlights the doctor.
Covid-19
Body pain, feeling of a cold, nasal congestion, malaise, cough and fever. “In vaccinated people, Covid is more similar to influenza and a cold, with symptoms in the upper airways, cough, hoarseness, congestion and sore throat”, explains the doctor.
Influenza
The flu (H3N2 virus) causes sudden illness with high fever, tiredness and body pain.
treatments
In most cases, which are mild, hydration, rest, adequate nutrition and medication with medical advice are recommended. In severe cases, patients need to be hospitalized and receive specific treatments, especially for Covid. “It is important that medical assistance is sought for the correct diagnosis”, warns the infectious disease specialist.
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