Are smokers at greater risk of catching or becoming seriously ill from COVID-19, and how can they minimize their risk? By Nicholas Hopkinson
Can the bodies of COVID-19 victims transmit the virus, and what are the safest burial practices? By Tolbert G. Nyenswah
Is the use of tear gas or pepper spray during the COVID-19 pandemic extra dangerous? How can people protect themselves? By Sven-Eric Jordt
Could SARS-CoV-2 be transmitted sexually via semen? By Jim Hotaling
Could people who have taken antiviral drugs (such as HIV Protease Inhibitors, etc.) for many years recover faster? By David Riedel
Could air conditioning systems help spread the virus? By Ana M. Rule and Lesliam Quirós-Alcalá
Do we know if the virus can enter through the eye? By Alfred Sommer
What determines whether a virus disappears or becomes endemic? By Emily Toth Martin
What can we expect from the coronavirus circulating now? Will it change to become more lethal or more easily transmitted? By Ralph Baric
Will most of humanity be infected by the new coronavirus? By Justin Lessler
How does a virus shift from zoonotic to human-to-human transmission? By David Quammen
Does an overreaction by the immune system play a role in COVID-19 deaths, or are they caused strictly by damage inflicted by the virus itself? By Jay Bream
Is it possible to be reinfected with the novel coronavirus? By Rachel Graham
What is viral load, and does it mean doctors and nurses face greater risk of infection or getting more severely ill? By Ray Viscidi
Does COVID-19 pose a risk to blood donors or recipients? By Harpreet Sandhu
What is cryptic transmission, and what is its significance in the COVID-19 outbreak? By Ingrid Katz
Given that coronaviruses can cause the common cold, does that mean humans likely have some protection against this new virus? Or are we immunologically "naive"? By Angela Rasmussen
How do you go about creating a vaccine against a new virus? By Peter Hotez
How does this particular coronavirus compare with other coronaviruses like SARS and MERS? By Tom Frieden
Can SARS-CoV-2 be controlled, eliminated, or eradicated? By Jess Atwell
With a given number of confirmed Covid-19 cases in a community, is there a way to estimate the number of actual cases? By Ron Brookmeyer
There have been news reports that the coronavirus epidemic will last for 18 months or longer and come in multiple waves. If so, how long will social distancing be necessary in that situation? By Eric Toner
What’s the worst case scenario for this pandemic? By Laurie Garrett
How much will mortality rates vary from country-to-country given differing levels of health system preparedness and response resources? By Antonia Ho
When does an outbreak become a pandemic? By Eric Toner
Why are wild animals believed to be the source of this outbreak? By Sonia Shah
How do disease detectives find the source of an outbreak like this? By Michael Mina
What are super spreaders and how can they affect the trajectory of an outbreak? By Justin Lessler
What’s a reproductive number and what does it tell us about an outbreak’s future? By Michael Osterholm
What does successful risk communication look like? By Amanda McClelland
Could export goods transmit SARS-CoV-2 infection around the world? By Sulzhan Bali
What are some of the major challenges to global cooperation in this coronavirus outbreak? By Sarah McCool
What is contact tracing, why is it important, and how is it done? By Anita Cicero
Do health care workers present a risk to the community by returning home after work? By Marisa Holubar and Yvonne (Bonnie) Maldonado
Why will it likely take longer to develop a vaccine than a drug for COVID-19? By William Moss
Does the COVID-19 pandemic automatically mean setbacks for ongoing global health programs? By Loyce Pace
What’s the most important thing that WHO can do in the fight against COVID-19? By Ilona Kickbusch
How can public health advocates encourage citizens to trust their advice in countries roiled by attacks on science? By Keiji Fukuda
What does “preparedness” in a country really mean? By Caitlin Rivers
In the absence of approved treatments, what can health care providers do? By Nahid Bhadelia
What's the best way to counter misinformation in the media? By Amesh Adalja
What is it like inside a hospital biocontainment room? By Lauren Sauer
What’s the best way to respond to the coronavirus outbreak? By Tom Inglesby
Can travel restrictions and quarantines stem the spread of the coronavirus? By Jennifer B. Nuzzo
What should a country like the US be doing to prepare when an outbreak like this begins to spread globally? By Tom Frieden
Are strong national health systems all we need for pandemic preparedness? By Gavin Yamey
What do frontline health care workers need most when they face an outbreak like this? By Amanda McClelland
What are the ethical considerations of using quarantines? By Jeffrey Kahn
Are people who get early treatment more likely to recover faster or avoid severe illness, and how should that inform testing guidelines? By Nahid Bhadelia
If I have a heart condition what precautions should I take to avoid serious COVID-19 illness? By Shelley Hankins
Can COVID-19 spread through water in pools, hot tubs or water parks? When will it be safe to go to public swimming pools? By Ernest R. Blatchley III
If I take immune-suppressing medication, should I stop so I'll have a better chance of avoiding COVID-19 infection? By Andreas Kronbichler
Why is diabetes considered a risk for severe COVID-19? By Ranganath Muniyappa
Can my kids go and play with friends? By Crystal Watson
As COVID-19 symptoms mimic those of common cold and flu viruses, how do you know when you should seek testing or special care? By Preeti Malani
What should the average person in a non-outbreak area be doing to prepare? By Michael Osterholm
What precautions should I take when I have to go out to get food? By Crystal Watson
What are the special risks of COVID-19 to pregnant women? By David Baud
Could export goods transmit SARS-CoV-2 infection around the world? By Sulzhan Bali
Can the new coronavirus be transmitted via paper money? By Marilyn Roberts