Health officials expressed heightened concern about the threat posed to the United States by the Zika virus, saying the mosquito that spreads it is now present in about 30 states and hundreds of thousands of infections could appear in Puerto Rico.
At a White House briefing on Monday, the officials stepped up pressure on the Republican-led Congress to pass approximately US$1.9 billion in emergency funding for Zika preparedness that the administration of President Barack Obama requested in February, Reuters reported.
“Everything we look at with this virus seems to be a bit scarier than we initially thought,” said Dr. Anne Schuchat, a deputy director at the US Centers for Disease Control and Prevention.
“And so while we absolutely hope we don’t see widespread local transmission in the continental US, we need the states to be ready for that,” Schuchat added.
Zika, linked to numerous cases of the birth defect micocephaly in Brazil, is spreading rapidly in Latin America and the Caribbean.
The White House said last week in the absence of the emergency funds it will redirect US$589 million, mostly from money already provided by Congress to tackle the Ebola virus, to prepare for Zika before it begins to emerge in the continental US as the weather warms.
Dr. Anthony Fauci, director of the US National Institute of Allergy and Infectious Diseases, said if Congress does not provide emergency Zika funding, US officials would probably be forced to redirect money currently dedicated for research into malaria, tuberculosis and a universal flu vaccine.
“I don’t have what I need right now,” Fauci said.
Hopefully the funding crimp will never reach a point where the stopgap money runs out, but if it does, he said, “we’ll have to start raiding other accounts, and very important research in other diseases is going to suffer, and suffer badly”.
Schuchat said Aedes aegypti, the mosquito species that primarily transmits the virus, is present in about 30 states, rather than 12 as previously thought.
In the US territory Puerto Rico, there may be hundreds of thousands of Zika infections and perhaps hundreds of affected babies, she added.
Fauci said it appears the first Zika vaccine candidate is on target to enter initial clinical trials in September.
Schuchat declined to forecast the number of Zika infections that could occur in the US.
While she said she did not expect large outbreaks in the continental US, “we can’t assume we’re not going to have a big problem”.
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