QUESTION I live in Mumbai,India. My mother's age is 56. She is getting fever from last 1 month and also lost her appetite. We have tested for malaria but it is negative. Tried 4-5 doctors but no one is able to detect the exact cause. She feels better for 3-4 days after medication but then again gets a fever. She feels like vomiting while trying to eat something. Please help. ANSWER If the … [Read more...]
Malaria in Mosquitoes
QUESTION Why can't mosquitoes become sick of malaria? What do they have in their system that prevent them from becoming sick yet they transmit the disease to humans? ANSWER First of all, mosquitoes do get "sick" when infected with malaria, though not in the same way as humans. This is due to the major differences between human and mosquito physiology and also differences in the life stage … [Read more...]
When did malaria start?
QUESTION What year did malaria start? ANSWER Malaria first emerged as an infection of humans tens of thousands, if not hundreds of thousands, of years ago. The species of malaria that infect humans probably evolved from closely related malaria species that infect macaques (in the case of Plasmodium vivax) and gorillas (in the case of P. falciparum). The earliest records from human … [Read more...]
Malaria Vaccine Research
QUESTION Is there any research to produce anti malaria vaccine, if not, why? ANSWER There are many teams of scientists working hard to try to produce a malaria vaccine. In fact, only last year, the preliminary results of a vaccine trial were published. The vaccine, called RTS,S, has been produced by GlaxoSmithKline and is in the midst of Phase III trials in Africa. The preliminary … [Read more...]
Malaria Transmission and Deaths in the United States
QUESTION How do you get malaria? How does malaria come to the United States? How many people have died from malaria? ANSWER Malaria is caused by infection with single-celled parasites called Plasmodium. There are five different species which infect humans; of these, Plasmodium falciparum is the most deadly. The Plasmodium parasites are transmitted to humans through the bite of an infected … [Read more...]
Three Stages of Malaria
QUESTION What are the three stages of malaria? ANSWER The three parts of the malaria life cycle are known as the exo-erythrocytic cycle, the erythrocytic cycle and the sporogonic cycle. The first two of these take place in the human (or other mammal) host, while the third occurs in the mosquito vector. The below diagram, courtesy of the CDC, shows the complete life cycle of malaria in … [Read more...]
P. Falciparum Malaria Treatment
QUESTION I dont have high fever yet have been diagnosed with P. falciparum malaria. How can this disease be treated and is it completely curable? ANSWER Don't worry, if diagnosed early and given appropriate treatment, P. falciparum infection is very easily cured. You should be given a type of medication called artemisinin-based combination therapy (ACT). An example is Coartem, which is a … [Read more...]
What is malaria, and what causes it?
QUESTION What is malaria and what causes it? ANSWER Malaria is caused by a parasite called Plasmodium, which is transmitted via the bites of infected mosquitoes. In the human body, the parasites multiply in the liver, and then infect red blood cells. Usually, people get malaria by being bitten by an infective female Anopheles mosquito. Only Anopheles mosquitoes can transmit malaria and … [Read more...]
Cyclical Fever and Malaria Symptoms
QUESTION My dad is not well from last one month. In the evening time he feels headache, neck pain and 102 Temp. Can you please tell me can it be Malaria. ANSWER Those symptoms can be characteristic of malaria—cyclical fever is a key symptom, though usually the cycles are every other day or even every third day (depending on the type of malaria). However, in some cases the cycles … [Read more...]
Malaria in Borneo, Indonesia
QUESTION We fly to Borneo tomorrow and have been very stupid not thinking about Malaria medication. Can someone quickly tell if I should take medication when there and also what type would be best to take? Thank you for your help. ANSWER Yes! Malaria prophylaxis is recommended for trips to Indonesian Borneo, particularly rural areas. Recommended forms of prophylaxis are Malarone … [Read more...]