To eradicate #polio, the world will have to stop using oral polio vaccine, which contains live but weakened viruses. The first attempt to phase out one component of the vaccine is proving to be more difficult than expected in parts of Africa.
Brava to for revisitng the polio vaccine "switch" (removal of strain 2 from OPV, in 2016)! This was widely reported at the time — but this is the best coverage I have seen on the morass that has become of using only bivalent OPV.
'The switch’ was supposed to help eradicate polio. Now it’s a quandary. Must-read from ⁦
This is as complex as public health issues come. Good to see is on to it. ‘The switch’ was supposed to be a major step toward eradicating polio. Now it’s a quandary
2. The type 2 #polio vaccine-derived viruses are presenting an enormous challenge to the polio eradication campaign.
Another great piece of reporting from ‘The switch’ was supposed to be a major step toward eradicating polio. Now it’s a quandary via
In 2016, one of the three components of the polio vaccine was phased out. Now, that decision may have to be reversed - which would be a devastating blow for the polio eradication campaign. explains the problem.
Yesterday I tweeted on type 2 vaccine-derived #polio cases, rising rapidly as repercussions of "the Switch" amplify. Today the polio program posted new numbers. So unsettling. A problem without a good fix at the moment. Bottom frame is the new numbers.
‘The switch’ was supposed to be a major step toward eradicating polio. Now it’s a quandary via
I think that dealing with #vaccine derived #polio viruses should be a separate issue from wild polio and that wild polio eradication should be the priority
4. I wrote about the problem with the type 2 VDPVs here. #polio
4. It's also happening in sub-Sarahan Africa. I wrote about it recently; you can see that story here
Has anybody modelled the potential impact of wholesale reintroduction of OPV2? #polio via
‘The switch’ was supposed to be a major step toward eradicating #polio. Now it’s a quandary, by via #EndPolioNow
Will there have to be a u-turn on the recent #polio vaccine 'switch'? Most likely by the sounds of things, creating a significant hold-up for polio eradication efforts. unpacks what's going on superbly...
‘The switch’ was supposed to be a major step toward eradicating polio. Now it’s a quandary via
.⁦⁩ on global polio campaign and the serious challenges of type 2 vaccine virus cases - occurring in 10 countries this year. Steve Cochi: “treat each case like Level 3 emergency”