Emerging evidence suggests that COVID-19 vaccination does impact menstrual cycle length – but the effect is minor and temporary.

South Sudan has reignited the drive to vaccinate its children against the polio virus.

Omicron’s seemingly milder symptoms have prompted some to speculate that the COVID-19 pandemic is burning out. But low vaccination rates mean there could be plenty of obstacles ahead.

Scientists around the world are working faster than ever to develop and produce vaccines that can stop the spread of COVID-19, with 21 vaccines now being rolled out in countries worldwide. Here is an at-a-glance overview of those vaccines and…

Even with a variant like Omicron that might be more transmissible than earlier variants, vaccines remain the most effective tool for protection against COVID-19 and for ending the pandemic.

Kenya is raising awareness about vaccines to reduce the number of zero-dose children who never receiving a single dose.

Revolutions in genome sequencing have been used to track COVID-19 in near real time.

Eswatini has launched a campaign to encourage members of the Zionist churches to get vaccinated against COVID-19.

Influenza-coronavirus co-infections are increasingly being reported in the media, but how common are they, and should we be worried?

Health care costs push more than half a billion people into extreme poverty. COVID-19 adds to the burden, halting progress towards universal health coverage. Health policies must protect poor from financial hardship, say World Bank, WHO.

Mounting evidence suggests the Omicron variant is associated with fewer hospitalisations and is less likely to infect the lungs. However, it remains a major threat.

Health care professionals must act swiftly to ensure frustrated patients don’t fall victim to misinformation.