Centers for Disease Control and Prevention, Emerging Infectious Diseases, 6(17), p. 1147-1148, 2011
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To the Editor: Coronavirus HKU1 is a newly identified human coronavirus (HCoV) that was reported first in 2005 in Hong Kong Special Administrative Region, People's Republic of China; later in Australia, Europe, and the United States, and more recently in Brazil, demonstrating a global distribution (1-3). We examined the circulation of HCoV in Brazil and the possible presence of the new HCoV types, with special attention to coronavirus HKU1, in samples collected back to 1995, tested by using universal coronavirus PCR.