True, "Being HIV-positive does NOT necessarily mean you have AIDS. AIDS is the most advanced stage of HIV disease." Source: AIDs.gov
These are the differences of viroids and viruses:
- Unlike viruses, viroids cause plant disease.
- Unlike viruses, viroids do not encode proteins.
- Viroids only consist of nucleic acid without a protein coat.
- Viroids are also smaller than viruses.
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Answer:
prevention of more casualties during an accident and prevent getting hurt when brakes are suddenly applied
Preventable communicable, or infectious, diseases like malaria and HIV/AIDS account for millions of deaths in the world each year, especially in low-income countries. Noncommunicable, or chronic, diseases like heart disease and diabetes are having an increasing effect across the globe.
Nearly 20 million.
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