Malawi records Africa’s first wild polio virus cases in over 5 years

The case was detected in a three-year-old girl who began showing signs of paralysis from November 19, 2021

Polio eradication: we are not there yet

On the occasion of World Polio Day, we take a look at the challenges that three countries are facing in eradicating this debilitating disease

Global spread of vaccine-derived polio still a high risk: WHO

Recommends declaring transmission as a national public health emergency, ensuring vaccinations for travellers and residents

Polio eradication: ‘Need to invest in polio vaccines now to prevent resurgence’

Oral vaccine key defence against polio but also behind detection of vaccine-derived poliovirus in wastewater samples

Burundi reports polio outbreak for the first time in 30 years

The vaccine-linked virus was detected in 3 children and 5 wastewater samples

Polio outbreak in Papua New Guinea after 18 years; experts say it was avoidable

They put the blame on poor vaccination coverage and unsanitary living conditions

Vaccine-derived polio virus found 50 times in India in six years

The vaccine-derived polio virus is a rare strain of polio virus that has genetically mutated from the strain contained in the oral polio vaccine

Polio eradication: Africa to vaccinate 21 million children

This would be the continent’s largest polio vaccination campaign since 2020 

Troublesome cures

A dose of oral polio vaccine can revert into the disease-causing virus

Walking tall

Jonas Salk, the man who humbled the dreaded polio virus, was that rarest of scientists, the "unconventional upstart"

Reach the last person

Will that crippling scourge called polio be wiped out from the face of the earth by the end of this year? The World Health Organization (WHO) …

The final assault

The Indian subcontinent is probably the only region still at high risk from the polio virus

Polio outbreak'

New cases in Africa trigger alarm

Limp target

Polio eradication targets strike a wrong note, while the WHO waxes eloquent

The wrong dose

India opted for the oral polio vaccine over the intravenous one; the choice hurts us till date

Check the vaccine

Why are children developing polio even after inoculation?

Polio virus in sewage sample again: This time in UK

The detection signals spread between closely-linked individuals who were administered an oral polio vaccine overseas 

WHO welcomes Afghanistan’s decision to resume door-to-door polio vaccination

The campaign will also cover more than 3.3 million children across the country who didn’t have access to the vaccine so far

Frequency of polio vaccination linked to paralysis: study

The number of cases of non-polio acute flaccid paralysis increased from 7,260 in 2000 to 59,462 in 2012, says a study 

WHO nod to first emergency use vaccine can tackle rising vaccine-derived poliovirus cases

Circulating vaccine-derived poliovirus occurs if a population is poorly vaccinated and there are enough susceptible children for excreted …

WHO report flags spike in cases of vaccine-derived poliovirus

At least 149 immunodeficiency vaccine-derived poliovirus cases were reported to WHO between 1961 and 2019

India's polio-free status a cruel joke

The definition of polio has been changed repeatedly since the programme was launched, thus automatically leading to a drastic fall in the number …

Stepping up preventive efforts

Ominous sign

Polio on comeback trail

DNA sequences of smallpox and other pathogens available online