São Paulo's Municipal Health Secretariat reported this week the first case of variant XBB.1.16 of Covid-19, also known as Arcturus in a 75-year-old man, bedridden and with comorbidities, who presented the symptoms of influenza syndrome and persistent fever on April 7.
The United States administration of President Joseph Biden has lifted the mandatory requirement of Covid-19 vaccination for travelers wanting to enter its territory, effective May 11, it was announced in Washington DC. The measure was in force since 2021.
Argentine health authorities have approved the use of a Japanese vaccine against dengue that needs to be administered in two doses three months apart from one another, it was reported in Buenos Aires.
While insisting on the importance of vaccination against Covid-19 and flu, Brazil's Oswaldo Cruz Foundation (Fiocruz) denounced a rise in the number of SARS (Severe Acute Respiratory Syndrome) cases in 19 out of 27 in the last 6 weeks ending April 15, Agencia Brasil reported.
Mexican President Andrés Manuel López Obrador (AMLO) Wednesday posted a video on social media saying he was recovering well from his bout of Covid-19. Interior Minister Adán López Hernández said the head of state would resume his duties before the weekend.
Scientists in India have detected at least 3,000 daily cases of a new subvariant of Covid-19 which has been dubbed Arcturus and is a sublineage of the Omicron version. The new strain has been reported to spread fast and affect even the vaccinated population. It also produces unforeseen symptoms.
Scientists in Brazil are working on a large-scale mosquito factory in a move to protect up to 70 million people from viruses such as dengue, it was reported by the journal Nature.
Mexico's 69-year-old President Andrés Manuel López Obrador (AMLO) Sunday announced he had tested positive for Covid-19 for the third time in his life and was therefore returning to the Federal District (DF) to remain in isolation. All his engagements have been canceled until further notice.
Uruguay's Health Minister Karina Rando and Undersecretary José Luis Satdjián Saturday visited Paysandú, where seven cases of chikungunya were confirmed in patients who had no travel history.
The Ministry of Health of Chile notified WHO of the detection of human infection with avian influenza A(H5) virus. The patient is a 53-year-old male from the Region of Antofagasta in the north of Chile. He had no history of comorbidities or recent travel.