It is unlikely that we will reach full herd immunity for COVID-19. However, we are likely to reach a practical kind of herd immunity through vaccination.
Hundreds of thousands of Canadians got a shot of AstraZeneca’s COVID-19 vaccine for their first dose. They now have a choice for their second dose: AstraZeneca again, or Pfizer or Moderna mRNA vaccine?
Vaccinated people can still get infected with the coronavirus. So if you have symptoms of COVID-19, getting tested can protect others and help health officials keep an eye on the virus.
Answers to key questions about rare blood clots linked to AstraZeneca’s COVID-19 vaccine, including risks, symptoms and whether people who have had one AstraZeneca shot should have a second.
As vaccine eligibility is expanded to adolescents and young adults, understanding who might be more likely to be vaccine hesitant, and why, can help inform public health strategies
We want to get everybody vaccinated. Opening up to younger age groups could be one way to speed things up — but it will come with logistical challenges too.
The COVID-19 cases are surging in Nepal, potentially surpassing India’s reproduction rate, but the country is out of vaccines. Global aid could help with one of the worst health crises in South Asia.
Paediatrician at the Royal Childrens Hospital and Associate Professor and Clinician Scientist, University of Melbourne and MCRI, Murdoch Children's Research Institute