For hundreds of years, Brazil has symbolised the great escape into a primordial, tropical paradise, igniting the Western imagination like no other South American country. From the mad passion of Carnaval to the immensity of the dark Amazon, it is a country of mythic proportions.
Perhaps it's not quite the Eden of popular imagination, but it's still a land of staggering beauty. There are stretches of unexplored rainforest, islands with pristine tropical beaches, and endless rivers. And there are the people themselves, who delight the visitor with their energy and joy.

Events Overview
Although there are festivals taking place all year round in Brazil, the country's most famous event is Carnaval, which lasts for five days from the Friday to the Tuesday immediately preceding Ash Wednesday. It is celebrated all over Brazil and there are more authentic versions than the glitzy tourist drawcard held in Rio; but Rio's is a fantastic spectacle nonetheless. In its sambódromo, a tiered street designed for samba parades, there is a frenzy of sweat, sequins, noise and mayhem as the 16 top samba schools each have their hour of glory.

Weather Overview

Most of the country has noticeable seasonal variations in rain, temperature and humidity, but only the south of Brazil has large seasonal changes. The Brazilian winter is from June to August, with the coldest southern states receiving average winter temperatures of between 13°C and 18°C (55°F and 64°F). In summer (December to February), Rio is hot and humid, with temperatures in the high 30°sC (80°sF) common; the rest of the year, temperatures usually hover around 25°C (77°F). The northeast coast gets as hot as Rio in the summer but tropical breezes make it less humid and stifling. In general, the Planalto Brasiliero is less hot and humid, and is prone to summer rainfalls. The Amazon Basin is the rainiest part of Brazil (the term 'rainforest' is a bit of a giveaway), and while it is humid, temperatures average a reasonable 27°C (80°F).

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Local Health Conditions

dengue fever
The Aedes aegypti mosquito, which transmits the dengue virus, is most active during the day, and is found mainly in urban areas, in and around human dwellings.
Signs and symptoms of dengue fever include a sudden onset of high fever, headache, joint and muscle pains, nausea and vomiting. A rash of small red spots sometimes appears three to four days after the onset of fever. Severe complications do sometimes occur. You should seek medical attention as soon as possible if you think you may be infected. A blood test can indicate the possibility of the fever. There is no specific treatment. Aspirin should be avoided, as it increases the risk of haemorrhaging. There is no vaccine against dengue fever.

malaria
If you are travelling in endemic areas it is extremely important to avoid mosquito bites and to take tablets to prevent this disease. Symptoms range from fever, chills and sweating, headache, diarrhoea and abdominal pains to a vague feeling of ill-health. Seek medical help immediately if malaria is suspected. Without treatment malaria can rapidly become more serious and can be fatal.If medical care is not available, malaria tablets can be used for treatment. You should seek medical advice, before you travel, on the right medication and dosage for you.If you do contract malaria, be sure to be re-tested for malaria once you return home as you can harbour malaria parasites in your body even if you are symptom free.
Travellers are advised to prevent mosquito bites at all times. The main messages are: wear light-coloured clothing; wear long trousers and long-sleeved shirts; use mosquito repellents containing the compound DEET on exposed areas (prolonged overuse of DEET may be harmful, especially to children, but its use is considered preferable to being bitten by disease-transmitting mosquitoes); avoid perfumes and aftershave; use a mosquito net impregnated with mosquito repellent (permethrin) - it may be worth taking your own, and impregnating clothes with permethrin effectively deters mosquitoes and other insects.

rabies
This is a fatal viral infection found throughout South America. Many animals can be infected (such as dogs, cats, bats and monkeys) and it's their saliva that is infectious. Any bite, scratch or even lick from a warm-blooded, furry animal should be cleaned immediately and thoroughly. Scrub with soap and running water, and then apply alcohol or iodine solution. Medical help should be sought promptly to receive a course of injections to prevent the onset of symptoms and death.

yellow fever
Yellow fever is transmitted through the bite of an infected mosquito. There is an effective vaccine against yellow fever, so if you have been immunised, you can basically rule this disease out. Symptoms of yellow fever range from a mild fever which resolves over a few days to more serious forms with fever, headache, muscle pains, abdominal pain and vomiting. This can progress to bleeding, shock and liver and kidney failure. The liver failure causes jaundice, or yellowing of your skin and the whites of your eyes - hence the name.
There's no specific treatment but you should seek medical help urgently if you think you have yellow fever.

meningococcal meningitis
Not every headache is likely to be meningitis. There is an effective vaccine available which is often recommended for travel to epidemic areas. Generally, you're at pretty low risk of getting meningococcal meningitis, unless an epidemic is ongoing, but the disease is important because it can be very serious and rapidly fatal. You get infected by breathing in droplets coughed or sneezed into the air by sufferers or, more likely, by healthy carriers of the bacteria. You're more at risk in crowded, poorly ventilated places, including public transport and eating places.
The symptoms of meningitis are fever, severe headache, neck stiffness that prevents you from bending your head forward, nausea, vomiting and sensitivity to light, which makes you prefer the darkness. With meningococcal meningitis, you may get a widespread, blotchy purple rash before any other symptoms appear. Meningococcal meningitis is an extremely serious disease that can cause death within a few hours of you first feeling unwell. Seek medical help without delay if you have any of the symptoms listed earlier, especially if you are in a risk area. If you've been in close contact with a sufferer it's best to seek medical advice.