How long does it need to take the symptoms of dengue fever and malaria to appear?
When symptoms appear The time from the initial malaria infection until symptoms appear (incubation period) generally ranges from:1 9 to 14 days for Plasmodium (P.) falciparum. 12 to 18 days for P. vivax and P. ovale. 18 to 40 days for P. malariae. Symptoms can appear in 7 days. Occasionally, the time between exposure and signs of illness may be as long as 8 to 10 months with P. vivax and P. ovale. The incubation period may be longer if you are taking medicine to prevent infection (chemoprophylaxis) or because you have some immunity due to previous infections http://www.webmd.com/a-to-z-guides/malar… Dengue Fever Symptoms Symptoms of typical uncomplicated (classic) dengue usually start with fever within 4 to 7 days after you have been bitten by an infected mosquito and include High fever, up to 105ºF Severe headache Retro-orbital (behind the eye) pain Severe joint and muscle pain Nausea and vomiting Rash Th