Great care must be taken when using essential oils around the very young. These same guidelines should also be followed with the elderly and with those who are frail or whose immune systems are severely compromised.
B12 is scarce in the diet, and it is found only in foods from animal sources. Fortunately, humans need only 2.4 micrograms of B12 daily, which is equivalent to one ten-millionth of an ounce – a very, very small amount.
A new study looking at the way human cells activate the immune system in response to SARS-CoV-2 infection could open the door to even more effective and powerful vaccines against the coronavirus and its rapidly emerging variants.
Researchers say it’s the first real look at exactly what types of “red flags” the human body uses to
In western countries, attention has understandably focused on which of the western-made COVID-19 vaccines people are likely to receive. But globally, these are far from the only products available. China, for instance, has developed multiple COVID-19 vaccines, and these are now being used to protect people both domestically and abroad.
People in Canada whose first dose of COVID-19 vaccine was AstraZeneca have a choice to make: They can either choose one of the mRNA vaccines (Pfizer or Moderna) or another dose of AstraZeneca for their second shot.
Fiona Russell, Senior Principal Research Fellow; paediatrician; infectious diseases epidemiologist, The University of Melbourne