The supply of Sanofi Pasteur's yellow fever vaccine YF-Vax is depleted in the United States until the middle of next year, the company said in a press release yesterday. Sanofi said the vaccine would be available again once Sanofi moves production to new "state of the art" facilities.
In a new study on the Ebola vaccine that has already shown effectiveness in an earlier phase 3 trial during West Africa's outbreak, researchers found that antibodies persist at least for a year and that the vaccine was well tolerated.
The World Health Organization's (WHO's) regional office for Africa released a new Ebola situation report today, noting fewer cases than previously reported in the Democratic Republic of the Congo (DRC).
The Florida study suggests a 'perfect storm' of conditions made Miami a favorable setting for Zika and that mosquito control helped reduce disease levels.
The yellow fever virus that has caused a large outbreak in Brazil has undergone substantial mutations, but these changes should not affect vaccine effectiveness, Brazilian investigators said, according to a story today in Brazil's O Globo newspaper.
Federal officials have a plan to fill gaps with a supply of a similar vaccine made in France.
Tocantins joins Para, Rio de Janeiro, Sao Paulo, Espirito Santo, and Minas Gerais as states with confirmed human yellow fever cases.
Officials plan to vaccinate the entire city of Rio this year, but current coverage is spotty.
Puerto Rico may be underreporting or downplaying the numbers of babies born in the territory with Zika-related birth defects, Stat reported today, citing an unnamed former US health official.
Both Espirito Santo and Rio de Janeiro states are seeing more cases and are conducting a massive vaccination campaign.