The word 'viruses' is correct and usable in written English.
You can use it in any context where it is necessary to describe something that is made up of many different strains or types of virus. For example: "The flu vaccine protects against many different viruses, so it is essential to receive the vaccine each year."
"Australians must understand that antibiotics will not work for viruses like colds and flu or for all types of infections," she said.
The most common infections were herpes viruses, which cause cold sores, enteroviruses that upset stomaches, influenza, and rhinoviruses that trigger common colds.
One problem that can follow transplant surgery is the unexpected reawakening of viruses that have lurked inactive in the patient or donor for years.
But how other viruses affect long term health is far murkier.
Related: Out of the blue, on the edge of the world, killer whales converge to feast These and a million other mostly microscopic planktonic species of viruses, microbes, larvae and eukaryotes are the largely invisible origins of life, the very bottom of the food chain and the enablers of all existence.
When a droplet of blood from a patient is mixed with the modified viruses, any antibodies they have latch on to human virus proteins they recognise as invaders.
Using different types of net they collected and sequenced nearly a billion genetic barcodes and discovered, at depths of up to 1,000 metres, unknown worlds of viruses, bacteria, worms, gelatinous creatures and strange photosynthetic organisms.
Viruses mutate to increase their chances of survival.
However, there is good evidence of its safety in humans from trials against other viruses, and it is easy to take as it is in pill form.
To develop the test, Elledge engineered batches of harmless viruses to carry bits of proteins from human viruses on their surfaces.
The test found that, on average, people had been infected with 10 species of viruses, though at least two people in the trial had histories of 84 infections from different kinds of viruses.
