Will a vaccine for COVID-19 be safe? Animal testing, human clinical trials and post-approval surveillance give us good grounds to believe that a future approved vaccine will work and be safe.
The cold supply chain keeps vaccines fresh during distribution, but the current system is nowhere near large enough to distribute the billions of COVID-19 vaccines that the world needs.
Malaria, tuberculosis and HIV/AIDS are regarded as the ‘big three’ infectious diseases. This is where scientists are at in their efforts to find a vaccine for each one.
Our best shot at ending the pandemic is by achieving herd immunity through widespread use of a vaccine. But that won’t happen unless people believe it’s safe.
The phase 3 trials of the University of Oxford/AstraZeneca vaccine have been paused because one participant became unwell. But we don’t know for sure if the illness was a reaction to the vaccine.
The Australian government is working with two major pharmaceutical companies to facilitate the local production and supply of two different COVID-19 vaccines – if they’re proven to be effective.
Are masks a religious matter, or is religion being used to suit people’s political agendas? A scholar of Christian conservatism and culture argues both can be true.
A team of experts argues that after taking care of essential workers, COVID-19 vaccinations should be given to the greatest transmitters of the virus, who are mostly the young.
Dean Faculty of Health Sciences and Professor of Vaccinology at University of the Witwatersrand; and Director of the SAMRC Vaccines and Infectious Diseases Analytics Research Unit, University of the Witwatersrand