US first lady Jill Biden has tested positive for COVID-19, her communications director Elizabeth Alexander said on Tuesday.
After testing negative on Monday during her regular testing cadence, she began to develop cold-like symptoms late in the evening.
The first lady tested negative again on a rapid antigen test, but a PCR test came back positive, the spokeswoman said.
Meanwhile, the White House said that President Joe Biden tested negative for COVID-19 on Tuesday.
WHO chief urges safe burials in visit to heart of Ebola outbreak
The World Health Organisation (WHO) chief has travelled on Saturday to the Congolese province hardest hit by an Ebola outbreak, urging residents to seek treatment and practice safe burials as officials scramble to contain the fatal disease.
Rescuers pull four from flooded cave in Laos
Rescuers pulled four people from a flooded cave in Laos on Saturday, Thai volunteers said, hours after another man was brought out late on Friday.
Brazil investigates suspected Ebola case in Sao Paulo
Health authorities in Brazil's Sao Paulo state are investigating a suspected case of Ebola reported on Saturday in the state capital, officials said.
Zambia steps up Ebola screening as neighbouring Congo sees cases rise
Zambia has investigated and cleared two suspected cases of Ebola as it steps up screening and surveillance for the deadly viral disease following an outbreak in neighbouring Democratic Republic of Congo.
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