Infectious disease research warns coronavirus pandemic could last two years

Source: The Hill | May 1, 2020 | Marina Pitofsky

A new report is predicting that the coronavirus pandemic may last as long as two years and that it could take up to two-thirds of the global population being immune to effectively control the spread of the virus.

The report, released Thursday from the Center for Infectious Disease Research and Policy (CIDRAP) at the University of Minnesota, said that due to the coronavirus’s ability to spread among people who appear to be asymptomatic, it may be harder to control than flu outbreaks or other pandemics.

Infected people may also be at their most infectious prior to symptoms appearing, Bloomberg News reported.


The report predicts three possible scenarios for the ongoing pandemic.

In the first scenario, small peaks of coronavirus outbreaks continue over a “1- to 2-year period” that diminish in 2021, although the waves may be different in separate areas. In the second scenario, a larger coronavirus wave in the fall or winter of 2020 follows the first wave of the virus, resulting in more waves in 2021. In the final category, the first wave of the virus in 2020 is followed by a “slow burn” of ongoing cases “without a clear wave pattern.”

Researchers say in the report that, based on their assessment of eight major pandemics that have occurred since the early 1700s and the lack of immunity to the coronavirus around the world, among other factors, the length of the coronavirus pandemic will likely be 18 to 24 months as “herd immunity gradually develops in the human population.” Herd immunity occurs when a large amount of the population becomes immune through either inoculation or recovery from an infection.

The report adds that 60 to 70 percent of the population “may need to be immune to reach a critical threshold of herd immunity to halt the pandemic.”


“Risk communication messaging from government officials should incorporate the concept that this pandemic will not be over soon and that people need to be prepared for possible periodic resurgences of disease over the next 2 years,” the report warned.

The report was authored by Osterholm, alongside CIDRAP medical director Kristen Moore, Tulane University public health historian John Barry and Marc Lipsitch, an epidemiologist at the Harvard School of Public Health.

Osterholm warned on Friday in an appearance on CNN that during the 1918 influenza pandemic, communities and cities that were not hit hardest at first were later hit in other waves of infections, saying the trend could apply to the current pandemic.


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  •  EVERYDAY #38641

    If anyone thinks I am going to stay under almost house arrest for two years, they have another thing coming.

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