Vaccine-derived polio is undermining the fight to eradicate
Jun 14, 2023 · Vaccine-derived polio is undermining the fight to eradicate the virus. Wild polio has almost been eradicated, but vaccine-derived strains retain the potential to paralyse. Better...
Shot to Protect Against Polio and Five Other Diseases Is Approved …
Jun 30, 2023 · Adding polio protection to the existing five-component vaccine will raise its cost, but public health officials say the move is still economically advantageous.
A new polio vaccine joins the fight to vanquish the disease - Science News
Jan 8, 2021 · To stamp out vaccine-derived polio outbreaks, the World Health Organization has granted emergency use for a new polio vaccine. The oral vaccine got the go-ahead on November 13.
Polio has reemerged in the US. Who should get a polio vaccine now ... - CNN
Sep 15, 2022 · OPV is no longer given in the United States – since 2000, the version used in the US is the inactivated polio vaccine (IPV), which is injected – but other countries are still using OPV, and it...
Two New Vaccines Join the Fight to Eradicate Polio
Jun 14, 2023 · Scientists at UC San Francisco and the UK’s National Institute of Biological Standards and Control (NIBSC) have developed two new oral polio vaccines (nOPVs) to bolster the World Health Organization’s ongoing push to eradicate polio. They follow the release two years ago of the very first nOPV, which was developed at UCSF by the same team.
Super-engineered vaccines created to help end polio - BBC News
Jun 14, 2023 · Scientists have "super-engineered" polio vaccines to prevent them mutating into a dangerous form that can cause outbreaks and paralysis.
United States confirmed as country with circulating vaccine …
Sep 13, 2022 · Circulating vaccine-derived poliovirus occurs when local immunity to poliovirus is low enough to allow prolonged transmission of the original weakened virus in the oral polio vaccine. As the virus circulates and more genetic changes occur, the virus can regain its ability to infect the central nervous system and cause paralysis.
The Pivotal Decision That Led to a Resurgence of Polio
Sep 7, 2024 · To extinguish an outbreak of Type 2 vaccine-derived polio, health workers need to quickly immunize large numbers of children with the oral Type 2 vaccine.
Novel vaccines may help quell polio outbreaks
Jun 27, 2023 · An international research team developed two oral polio vaccines that protect mice and avoid some concerns with the current vaccines. If proven effective in ongoing clinical trials, the novel vaccines hold promise for eradicating polio from the planet.
Spate of polio outbreaks worldwide puts scientists on alert - Nature
Aug 22, 2022 · High polio vaccination rates in the United Kingdom, Israel and the United States mean that most children will be spared the virus’s worst effects (about 94% of US 5- and 6-year-olds are...