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1.5 million HDB lift buttons have been coated with a disinfectant that can last for months – here’s why it’s so powerful

Bonding agents allow it to adhere tightly to surfaces at a molecular level, so that it remains effective even with repeated scrubbing and cleaning.
Ammonia doesn't kill viruses, but quaternary ammonium does.

Does ammonia kill germs? It isn’t effective against viruses

Ammonia doesn't kill viruses, but it can be used in quaternary ammonium to disinfect effectively and prevent the spread of the coronavirus.
Viruses usually can't be transmitted through sweat.

Does sweat carry germs? It’s unlikely to transmit viruses

Sweat is known to kill germs on your body, and unless it mixes with a cough, sneeze, or other bodily fluids, it won't transmit viruses.

Does witch hazel kill germs? No, it isn’t a disinfectant

Witch hazel is not an effective disinfectant, and it is unlikely to prevent the spread of viruses or bacteria. Here's what you need to know.
Antibacterial soap isn't better than regular soap when it comes to preventing the spread of viruses and bacteria.

Does antibacterial soap kill germs? It’s not better than regular soap

Antibacterial soap isn't any better at killing viruses and bacteria than regular soap, and it may also include chemicals with harmful side effects.
Don't wear shoes in the house if you want to keep your living space as clean as possible.

Wearing shoes in the house can potentially bring in germs — here’s why you should leave them at the front door

You shouldn't wear shoes in the house if you want to keep your living space as clean as possible. Here's why you should leave them at the front door.
Glo Germ showed how quickly germs can spread.

A YouTuber showed how quickly germs can spread during the coronavirus outbreak by secretly infecting a classroom with a glowing powder

Former NASA scientist Mark Rober performed the experiment in a classroom full of third-graders.
Copper kills germs within hours.

Does copper kill germs? Yes, it’s effective against COVID-19 within 4 hours

Copper is effective against most germs within hours, including viruses like influenza and COVID-19. Here's what you need to know.
Cold air does not kill germs or viruses.

Does cold air kill germs? No, it helps viruses spread

Cold air does not kill germs. Actually, cold weather can make it easier for viruses and bacteria to spread — here's why.
You can mix one cup of bleach with five gallons of water in a bucket to create a solution that will disinfect surfaces.

Does bleach kill germs? Yes, but you need to let it sit for 10 minutes

The active ingredient in bleach is sodium hypochlorite, which is effective against germs —including viruses and bacteria — if used correctly.