Brazilian Portuguese signed into law by the President on 21 July 2008 allowing for a 6-year adaptation period, during which both orthographies co-existed. All of the CPLP countries have signed the reform. In Brazil, this reform has been in force since January 2016. Portugal and other Portuguese-speaking countries have since begun using the new orthography. Regional varieties of Brazilian Portuguese, while remaining mutually intelligible, may diverge from each other in matters such as vowel pronunciation and speech intonation. The existence of Portuguese in Brazil is a legacy of the Portuguese colonization of the Americas. The first wave of Portuguese-speaking immigrants settled in
Malaria Day in the Americas observed the presence of malaria parasites in the blood of patients Malaria Day in the Americas is a separate event from World Malaria Day, which was established the same year and is marked by the World Health Organization on April 25. Following the 2013 Malaria Day in the Americas, participating countries were encouraged to engage in a year-round campaign against the disease to attain the following objectives: Through the annual Malaria Champion of the Americas competition, the Pan American Health Organization (PAHO), the United Nations Foundation, the George Washington University Milken Institute School of Public Health (MISPH), and the Johns