Side effects generally indicate a natural immune response and will resolve in a few days.
Our best long-term strategy is to rely on the mRNA vaccines like Pfizer and Moderna.
It's normal for different people to mount stronger or weaker immune responses to a vaccine, but post-shot side effects won't tell you which you are.
The one-dose vaccine developed by Johnson & Johnson is temporarily halted because of potentially serious blood clots seen in six women. An immunologist explains what this means for you.
A vaccine expert breaks down everything you need to know about the Novavax vaccine.
This week's unwelcome medical advice about the AstraZeneca vaccine is the latest setback to the rollout and the Morrison government.
Even with the highest possible rates of vaccination, New Zealand will need to keep up public health measures, or consider letting go of the concept of elimination and focus instead on disease control.
New CDC guidance permits domestic travel for fully vaccinated individuals, as long as social distancing is respected. International travel guidelines are different.
Good news for children and young people, bad news for Johnson & Johnson.
Many people never experience the least bit of discomfort from the COVID-19 vaccines, but mild side effects are common. They include swelling in the affected arm, nausea and chills.
The vaccine rollout is underway, but what happens if there is a supply disruption? Would it be feasible to change strategy and give more people a first dose? An expert analyzes the data.
It's not too late for Australia to repair our vaccine strategy, though we will never make up for the months lost.
Injected vaccines tend to generate good immunity overall but less of a response in the nose and throat, where the virus enters and spreads from.
The risk of COVID escaping from hotel quarantine or a health-care setting will never be zero. But in NSW and Queensland, was everything possible done to minimise the risk?
With four COVID-19 vaccines approved for use in Canada, it's time to answer FAQs about efficacy, immunity, eradication and variants.
Millions of vaccinated people have been waiting for guidelines on what they can do safely. The CDC says it's OK to gather with other vaccinated people, but it's still best to avoid travel.
Researchers are closely watching the coronavirus mutants to make sure vaccines can be adjusted if necessary. But scientists don't know whether vaccines will be effective in those already vaccinated.
You've been vaccinated; can you now safely see your friends and family? New research hints that vaccinated people may be less likely to transmit the coronavirus, but they are not 100% in the clear.
The clock starts ticking once the vaccine leaves the freezer. Here's what to expect.
Australia should pivot to a high-efficacy vaccine like Pfizer or Novavax to give us the best chance of achieving herd immunity.