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Apart from serving on the MAC, she is also campaigning for South Africa to be a part of Covid-19 vaccine trials.
Gray said the evidence behind certain lockdown regulations was uncompelling.
For example, open-toe shoes were not allowed to be bought or sold during the lockdown.
“This strategy is not based in science and is completely unmeasured. [It’s] almost as if someone is sucking regulations out of their thumb and implementing rubbish, quite frankly.
“In the face of a young population, we refuse to let people out. We make them exercise for three hours a day and then complain that there’s congestion in this time. We punish children and kick them out of school and we deny them education. For what? Where is the scientific evidence for that?”
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Initially, there was good reason to implement the lockdown to slow down the spread of the virus and buy time to ready the health system, and this was largely achieved, Gray said.
“One can argue whether the extension of the lockdown and these alert levels are justified, and I think we could argue that an additional two weeks in the lockdown may have supported the work that had been started and was critical.
“But the de-escalation, month on month, to various levels is nonsensical and unscientific.”
Ignoring advice?
Questions have also been raised about whether the government is listening to the expert advice of the MAC’s scientists.
The MAC’s overall chairperson, Professor Salim Abdool Karim, said it was not true that the government had ignored advice on the issue.
Another member, associate professor at the clinical HIV Research Unit at Wits University and CEO of Right 2 Care, Dr Ian Sanne said the committee was not asked whether the lockdown should go to Level 3, or any broader questions related to the issue.
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The committee was asked to advise on a risk-adjusted approach to focus on hot spots, a screening and testing strategy, and in turn, lockdown.
“We were asked about the approach, not the trigger levels and relationship to economic activity,” Sanne said.
“We were informed that this would in future be utilised to determine the lockdown and economic activity in areas where the risk of Covid-19 is less. And that we agreed with,” he added.
Gray questioned why the government appeared to be proceeding without seeking proper advice, especially regarding regulations.
“We believe, as scientists, that we can give and are giving the government good advice and why they decided not to take advice or engage readily with the scientists is unknown. Why have experts if you don’t really care what they think?”
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Non-pharmaceutical interventions should include targeted strategies to protect the vulnerable while those who would not be affected by the virus should be allowed back into society, she said.
“With increasing knowledge of the virus, we now know that those most vulnerable are the elderly and those with comorbidities. However, people under-30, and school-going children are not,” Gray added.
“So, then you deal with those people. You don’t put the whole country into lockdown because you don’t know how to deal with [the] elderly and the people who have vulnerabilities.
“South Africans bought in, and everyone tightened their belts and took the lockdown with grace. During that period, we failed to deliver water, we failed to deliver food parcels and we failed to make households on the brink of devastation safe.
“How can you continue to implement these restrictive levels when the data shows that the transmission of the virus will continue unless you implement non-pharmaceutical interventions [NPIs] to slow the transmission down or get a vaccine?
“We know what we have to do. We have to implement NPIs… I think the government has failed to understand the psyche of its populace,” she said.
A volunteer for the grassroots charity, Hope for Vrededorp, hands over a warm meal to a child at a daily food distribution in the impoverished district of Vrededorp in Johannesburg as the country remains under lockdown. (Marco Longari/AFP)
Negative impact of lockdown
Sanne said the extended lockdown was having a negative impact on the healthcare system.
He added normal, non-Covid-related diseases were not receiving attention.
Sanne told News24 there had been an increase in missed appointments by HIV patients of between 40 and 60% since the lockdown, and a similar issue was expected for diabetes and other illnesses needing chronic medication.
There had been a substantive decline in childhood vaccination programmes, he said, which scientists believed would lead to a substantial outbreak of childhood diseases in the future.
Another example was semi-urgent surgeries, like spinal surgeries or early onset cancer treatments.
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Maternity screenings are also being affected, possibly leading to an increase in maternal and early childhood-related illnesses.
Hospital admissions had declined by 75% in the private sector, although the same data was not available for public sector hospitals.
“It may be because of the fear of Covid-19, we don’t know, but elective procedures are not happening. While we don’t have that many Covid-19 patients admitted, we should be using the opportunity to catch up on elective surgery,” Sanne said.
He added many clinics were empty, because although people were allowed to go, there was a perception they could not do so, and that it was not safe.
MAC member Professor Marc Mendelson, who is the head of infectious diseases and HIV medicine at Groote Schuur Hospital, is also of the belief that phasing out the lockdown is not a science-led approach.
He said it was based on the experience of other countries’ attempts to flatten the curve but the thinking still posed problems, adding the only countries which successfully flattened the curve through lockdown were those who were able to swiftly test, trace and quarantine on a mass scale.
“That has not been possible in South Africa, despite predictions of up to 36 000 tests per day by the end of April that have not manifested. The only way to reduce the rate of infection is through interventions such as social distancing, hand-washing, mask wearing and cough etiquette.
“Infections are inevitable. Sixty percent or so of our country will become infected over the next two years, but limiting the rate of infection is not going to come through lockdown,” Mendelson said.
He suggested a “rapid deescalation” of the lockdown to level 1.
While the central questions the government is asking are about balancing the impact of the lockdown with the rate of infections, Mendelson said he believed “that the evidence they are basing their assumptions on is wrong”.
“Lockdown in its current form is doing more harm than good, and given the resource constraints of the country, we need to re-focus the central tenant of prevention on the non-therapeutic interventions already described, while opening up the economy quicker.”
The stance by Gray and other MAC members has led to questions about whether the MAC’s advice is being heeded by the government.
Department of Health spokesperson, Popo Maja, said the MAC had provided advice on the lockdown – that it had “achieved its objective and a further extension of the lockdown beyond the five weeks was unlikely to produce any further reduction in the spread of the infection”.
“The argument that there is very good evidence about the measures to be taken and we should simply follow such a path is simply inaccurate,” Maja said, adding that government takes the advice of the MAC seriously.
“The responsibility for implementation is government not the MAC hence we simply implement the advice of the MAC without interrogating the matter as government since we are ultimately responsible and accountable.”
Maja added that governments around the globe were using epidemiological data to inform the decisions, including South Africa – who had been singled out by the WHO for the measures taken to constrain the virus.
“None of the members of MAC have raised with the Minister or the Director General that they are in disagreement with the path being taken by government,” Maja said.
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