Photo Credit: Yonatan Sindel/Flash90
Police arrest a man during a protest of owners of food stands at the Mahane Yehuda market in Jerusalem against the ongoing closure of their businesses, April 25, 2020.

In a new study titled Managing COVID-19 Pandemic without Destructing the Economy, Profs. David Gershon, Alexander Lipton and Hagai Levine show that based on real-life data, Israel and other countries could have controlled COVID-19 without lockdown.

In theory, authorities can stop an epidemic by using the medieval method of quarantining all the population for a prolonged enough period. However, the economic and social toll of a long lockdown these days is catastrophic in any dimension. Expected consequences include enormous unemployment and social aspects of quarantine, such as isolation and loneliness, low access to healthcare, drug abuse and domestic violence, hunger and social unrest and on top of it the destruction of the economy will cause an enormous deficit that will weigh down the economy for years. It is expected to ask if the lockdown is really necessary or is it an act that governments triggered too late when the pandemic has already spread out massively. Often governments state that the purpose of the lockdown is “to flatten the curve”, or in simple words to ensure that the health system does not exceed its full capacity. In the case of COVID-19 the likely measure is if the number of beds in the intensive care unit (ICU) is enough for all the patients that require ICU.

Border guard policepersons enforcing the mobility restrictions in the city of Bnei Brak as part of the military’s operation, following the spike of Coronavirus numbers in the city. Bnei Brak, Apr 3, 2020. / Kobi Richter/TPS
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Prof. David Gershon and Prof. Alexander Lipton from the Jerusalem Business School at the Hebrew University, both well-known experts in Finance and Fintech and Prof. Hagai Levine from the School of Public Health of the Hebrew University, a leading infectious diseases epidemiologist and public health physician, developed a very detailed and precise model to calculate the consumption of ICU beds and hospital beds in general during the spread-out of the pandemic. The model considers each of the stages of the disease and separates between different population groups (for example by their vulnerability to the disease, residential density, behavioral characteristics, etc) and calculates the rate of infection, hospitalization and ICU beds for the different populations.

The model was calibrated with real time data from recent research articles about COVID-19 in different countries with information about infection rates, hospitalization and death cases as well as number of patients in ICU.

According to the model, if a country adopts a policy of social distancing as much as possible, including at work, 14 days self-quarantine of every person with symptoms such as fever or cough, testing all individuals with symptoms and hygiene measures including facemasks in public places, then in most cases there is no need in lockdown. By now, all the high risk population is aware of the danger and the need to over protect itself in general more than the low risk population. Naturally, frequent testing is an advantage that improves the control on the infection but the model assumes that there are limitations with the number of tests that can be provided.

Mayanei Hayeshua Medical team. / Nati Shohat/Flash90

One of the conclusions of the model is that in countries where the number of ICU beds for COVID-19 patients is above 60 ICU beds per million (depending on the ratio between the high and low risk population and the level of compliance of the population to the hygiene measures) then no lockdown is necessary and when the number of ICU beds for COVID-19 per million people is below 60 then a temporary partial quarantine of the high risk population may be required but in any case the economy and society can continue to operate.

When the numbers that correspond to Israel are plugged into the model then under the worst assumptions and without any lockdown the number of ICU beds for COVID-19 patients will not exceed 600. It was published that before the COVID-19 burst there were 2000 beds in Israel and currently around 3000 beds. This means that the lockdown was unnecessary and could be stopped and replaced with a responsible policy of hygienic behavior in public places mentioned before.

One can explore the results of the model one countries like Sweden, Singapore, Taiwan and South Korea. In all these countries there was never a lockdown and the health system never got close to full capacity, even though the number of ICU beds per population is less than in Israel. Another evidence is provided by the Gertner Institute research of the Israeli Ministry of Health, showing that in March 9, when the disease just started in Israel, the infection rate was very high (the reproduction number was 3.0) and thanks to awareness of the population to the disease and the caution measures taken by the majority of the population the infection rate decreased significantly (the reproduction number was 1.3 on March 22), before the start of the lockdown period. Since the beginning of the lockdown the further reduction in the infection rate was minor and most likely is a result of the behavior of the population and not the lockdown itself.

With regard to countries like Italy, Spain and the United states where despite the lockdown thousands of people died, the explanation is two-fold. First, in these countries the number of people that die every year from seasonal flu is extremely high, among the reasons is the exceptionally high percentage of high risk population due to aging, and second, most likely when the lockdown was placed the number of infected people was already enormous, and no hygiene measures were adopted before, which could have reduced the infection rate significantly.

Prof. Gershon, Levine and Lipton call for a systematic investigation of the death cases that are caused by the lockdown itself in the short and long term. Such an investigation might show that the growth in the number of death cases related to lockdown is higher than the death cases related to COVID-19. It may have a similar effect to “Iatrogenesis” in medicine, a phenomena where the medicine is more detrimental than the disease itself. It is important that all decisions regarding public policies and restrictions be taken based on real time data, and published to the public.

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David writes news at JewishPress.com.